Summary of Significant Accounting Policies (Customer Concentrations) (Details) (USD $)
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3 Months Ended |
6 Months Ended |
12 Months Ended |
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Jun. 30, 2014
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Concentration Risk [Line Items] |
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Total revenue |
$ 1,538,871,000us-gaap_SalesRevenueGoodsNet
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$ 1,488,691,000us-gaap_SalesRevenueGoodsNet
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$ 2,992,337,000us-gaap_SalesRevenueGoodsNet
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$ 2,984,716,000us-gaap_SalesRevenueGoodsNet
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Total accounts receivable, net (excluding secured loans and derivative assets) |
65,360,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps
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65,360,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps
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39,409,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps
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Derivative asset |
18,112,000us-gaap_DerivativeAssets
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18,112,000us-gaap_DerivativeAssets
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22,184,000us-gaap_DerivativeAssets
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Revenue | Customer concentrations |
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Concentration Risk [Line Items] |
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Total revenue |
1,538,871,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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1,488,691,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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2,992,337,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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2,984,716,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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Concentration risk, percentage |
100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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Accounts receivable | Customer concentrations |
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Concentration Risk [Line Items] |
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Total accounts receivable, net (excluding secured loans and derivative assets) |
65,360,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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65,360,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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39,409,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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Concentration risk, percentage |
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100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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Secured loans | Customer concentrations |
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Concentration Risk [Line Items] |
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Total secured loans |
42,564,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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42,564,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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41,261,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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Concentration risk, percentage |
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100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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100.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember
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Sunshine Mint | Accounts receivable | Customer concentrations |
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Concentration Risk [Line Items] |
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Total accounts receivable, net (excluding secured loans and derivative assets) |
9,680,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_SunshineMintMember
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9,680,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_SunshineMintMember
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0amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_SunshineMintMember
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Concentration risk, percentage |
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14.80%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_SunshineMintMember
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0.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_SunshineMintMember
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HSBC Bank USA | Revenue | Customer concentrations |
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Concentration Risk [Line Items] |
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Total revenue |
448,453,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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393,148,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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982,991,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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705,693,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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Concentration risk, percentage |
29.10%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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26.40%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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32.90%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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23.60%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_HSBCBankUSAMember
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US Mint | Accounts receivable | Customer concentrations |
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Concentration Risk [Line Items] |
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Total accounts receivable, net (excluding secured loans and derivative assets) |
18,839,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_UnitedStatesMintMember
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18,839,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_UnitedStatesMintMember
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0amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_UnitedStatesMintMember
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Concentration risk, percentage |
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28.80%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_UnitedStatesMintMember
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0.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_UnitedStatesMintMember
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Customer A | Secured loans | Customer concentrations |
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Concentration Risk [Line Items] |
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Total secured loans |
5,273,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerMember
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5,273,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerMember
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2,562,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerMember
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Concentration risk, percentage |
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12.40%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerMember
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6.20%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerMember
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Customer B | Secured loans | Customer concentrations |
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Concentration Risk [Line Items] |
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Total secured loans |
4,900,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerBMember
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4,900,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerBMember
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4,200,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerBMember
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Concentration risk, percentage |
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11.50%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerBMember
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10.20%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomerBMember
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Customer C | Secured loans | Customer concentrations |
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Concentration Risk [Line Items] |
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Total secured loans |
4,391,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomercMember
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4,391,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomercMember
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4,103,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomercMember
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Concentration risk, percentage |
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10.30%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomercMember
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9.90%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_CustomercMember
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Major Customers | Revenue | Customer concentrations |
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Concentration Risk [Line Items] |
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Total revenue |
448,453,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
393,148,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
982,991,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
705,693,000us-gaap_SalesRevenueGoodsNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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Concentration risk, percentage |
29.10%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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26.40%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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32.90%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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23.60%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueGoodsNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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Major Customers | Accounts receivable | Customer concentrations |
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Concentration Risk [Line Items] |
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Total accounts receivable, net (excluding secured loans and derivative assets) |
28,519,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
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28,519,000amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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0amrk_ReceivablesExcludingSecuredLoansDerivativeAssetsGrossTradingOps / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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Concentration risk, percentage |
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43.60%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
0.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
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Major Customers | Secured loans | Customer concentrations |
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Concentration Risk [Line Items] |
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Total secured loans |
$ 14,564,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
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$ 14,564,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
|
$ 10,865,000us-gaap_NotesReceivableNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
Concentration risk, percentage |
|
|
34.20%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|
|
26.30%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_LoansAndFinanceReceivablesMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = amrk_MajorCustomersMember
|