Geographic Information (Details) (USD $) In Thousands, unless otherwise specified
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3 Months Ended |
9 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Mar. 31, 2015
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Mar. 31, 2014
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Jun. 30, 2014
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Segment Reporting Information [Line Items] |
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Revenue |
$ 1,624,495us-gaap_Revenues
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$ 1,581,590us-gaap_Revenues
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$ 4,616,832us-gaap_Revenues
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$ 4,566,306us-gaap_Revenues
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Inventories |
138,458us-gaap_InventoryNet
|
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138,458us-gaap_InventoryNet
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150,944us-gaap_InventoryNet
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Restricted and Nonrestricted Inventory, Net |
186,572amrk_RestrictedandNonrestrictedInventoryNet
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186,572amrk_RestrictedandNonrestrictedInventoryNet
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175,554amrk_RestrictedandNonrestrictedInventoryNet
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Assets |
334,087us-gaap_Assets
|
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334,087us-gaap_Assets
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305,138us-gaap_Assets
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Long term assets |
11,392us-gaap_NoncurrentAssets
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11,392us-gaap_NoncurrentAssets
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9,815us-gaap_NoncurrentAssets
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United States |
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Segment Reporting Information [Line Items] |
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Revenue |
1,477,702us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US
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1,366,074us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US
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4,136,616us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US
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3,922,864us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US
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Inventories |
146,378us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = country_US
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146,378us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = country_US
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159,145us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = country_US
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Assets |
291,814us-gaap_Assets / us-gaap_StatementGeographicalAxis = country_US
|
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291,814us-gaap_Assets / us-gaap_StatementGeographicalAxis = country_US
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285,092us-gaap_Assets / us-gaap_StatementGeographicalAxis = country_US
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Long term assets |
11,316us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US
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11,316us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US
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9,726us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US
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Europe |
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Segment Reporting Information [Line Items] |
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Revenue |
69,563us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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106,687us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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188,973us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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298,751us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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Inventories |
32,799us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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32,799us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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10,500us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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Assets |
34,878us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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34,878us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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14,137us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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Long term assets |
76us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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76us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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89us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
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North America, excluding USA |
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Segment Reporting Information [Line Items] |
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Revenue |
57,910us-gaap_Revenues / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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78,978us-gaap_Revenues / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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239,746us-gaap_Revenues / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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256,246us-gaap_Revenues / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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Inventories |
4,144us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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4,144us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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4,091us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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Assets |
4,144us-gaap_Assets / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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4,144us-gaap_Assets / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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4,091us-gaap_Assets / us-gaap_StatementGeographicalAxis = amrk_NorthAmericaexcludingUSAMember
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Asia Pacific |
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Segment Reporting Information [Line Items] |
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Revenue |
9,156us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember
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25,213us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember
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39,200us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember
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81,746us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember
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Africa |
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Segment Reporting Information [Line Items] |
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Revenue |
27us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AfricaMember
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12us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AfricaMember
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52us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AfricaMember
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12us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AfricaMember
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Australia |
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Segment Reporting Information [Line Items] |
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Revenue |
10,137us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_AU
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3,911us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_AU
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12,243us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_AU
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5,940us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_AU
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South America |
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Segment Reporting Information [Line Items] |
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Revenue |
0us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_SouthAmericaMember
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715us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_SouthAmericaMember
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2us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_SouthAmericaMember
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747us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_SouthAmericaMember
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Asia |
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Segment Reporting Information [Line Items] |
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Inventories |
3,251us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
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3,251us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
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1,818us-gaap_InventoryNet / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
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Assets |
$ 3,251us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
|
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$ 3,251us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
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$ 1,818us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
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