Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.7.0.1
Related Party Transactions (Details) - USD ($)
 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Feb. 28, 2015
Related Party Transaction [Line Items]      
Sales $ 552,695,000 $ 752,550,000  
Purchases 55,606,000 75,920,000  
Receivable 0 4,171,000  
Payables 2,353,000 282,000  
Income (loss) from equity method investment 94,000 701,000  
Equity method investment 7,467,000 7,373,000  
Note payable - related party 500,000 0  
Income taxes receivable from Former Parent 0 203,000  
Former Parent      
Related Party Transaction [Line Items]      
Sales 47,384,000 30,544,000  
Purchases 47,979,000 42,264,000  
Receivable 0 1,775,000  
Payables 27,000 0  
Former Parent | July 23, 2015 Loan Agreement      
Related Party Transaction [Line Items]      
Short term loan receivable 0 1,400,000  
Equity method investee      
Related Party Transaction [Line Items]      
Sales 477,477,000 717,309,000  
Purchases 2,979,000 6,867,000  
Receivable 0 2,396,000  
Payables 558,000 0  
SilverTowne      
Related Party Transaction [Line Items]      
Sales 27,834,000 4,697,000  
Purchases 4,648,000 26,789,000  
Receivable 0 0  
Payables 1,768,000 282,000  
Short term earn out liability 200,000    
Long term earn out liability 1,100,000    
Short term notes payable 500,000    
Affiliated entities      
Related Party Transaction [Line Items]      
Interest income 2,958,000 2,367,000  
Affiliated entities | Interest Income from Loan Receivable      
Related Party Transaction [Line Items]      
Interest income 171,000 65,000  
Affiliated entities | Interest Income from Finance Products      
Related Party Transaction [Line Items]      
Interest income 2,787,000 2,302,000  
SilverTowne Mint      
Related Party Transaction [Line Items]      
Interest expense 3,000 0  
W.A.Richardson Builders, LLC (WAR) [Member]      
Related Party Transaction [Line Items]      
Payments for contractual obligation $ 12,000 $ 820,000  
Contractual obligation, fees payable (percentage)     5.00%
Silver Bow Ventures, LLC | W.A.Richardson Builders, LLC (WAR) [Member]      
Related Party Transaction [Line Items]      
Ownership interest (percentage) 50.00%    
Line of Credit | Former Parent      
Related Party Transaction [Line Items]      
Long-term Debt $ 1,400,000