Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Additional Information (Details)

v3.3.1.900
Long-Term Debt - Additional Information (Details) - JP Morgan Chase Debt - USD ($)
3 Months Ended 12 Months Ended
Nov. 30, 2014
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]      
Tangible net worth     $ 133,789,000
Earnings before interest, taxes, depreciation and amortization     32,401,000
Line of credit, outstanding borrowings     $ 0
Secured Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 15,000,000    
Percentage of margin rate 1.25%    
Minimum      
Debt Instrument [Line Items]      
Tangible net worth $ 90,000,000    
Earnings before interest, taxes, depreciation and amortization $ 10,000,000    
Minimum | Scenario Forecast      
Debt Instrument [Line Items]      
Earnings before interest, taxes, depreciation and amortization   $ 12,500,000