Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - (Narrative) (Details)

v3.4.0.3
Related Party Transactions - (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
May. 28, 2010
Mar. 31, 2016
Dec. 31, 2015
Jun. 24, 2013
May. 29, 2012
Related Party Transactions [Line Items]          
Subordinated Debt   $ 22,610 $ 22,610    
5% Unsecured Subordinated Notes   22,610 $ 22,610    
Subordinated debt interest rate 5.00%        
Subordinated debt effective interest rate 14.00%        
Kanders GMP Holdings, LLC [Member]          
Related Party Transactions [Line Items]          
Subordinated Debt $ 14,517       $ 365
Interest paid on transferred subordinated note   181      
Interest paid on Gregory employees subordinated notes   5      
5% Unsecured Subordinated Notes 14,517       365
Discounted subordinated notes 8,640        
Schiller Gregory Investment Company, LLC [Member]          
Related Party Transactions [Line Items]          
Subordinated Debt 7,539       189
Interest paid on Gregory employees subordinated notes   2      
5% Unsecured Subordinated Notes 7,539       $ 189
Discounted subordinated notes 4,487        
Former Employees [Member]          
Related Party Transactions [Line Items]          
Subordinated Debt 554        
5% Unsecured Subordinated Notes 554        
Discounted subordinated notes $ 316        
Robert R. Schiller 2013 Cornerstone Trust and the Deborah Schiller 2005 Revocable Trust [Member]          
Related Party Transactions [Line Items]          
Interest paid on transferred subordinated note   $ 94      
Robert R. Schiller 2013 Cornerstone Trust [Member]          
Related Party Transactions [Line Items]          
Subordinated Debt       $ 3,769  
5% Unsecured Subordinated Notes       $ 3,769