Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - (Narrative) (Details)

v3.7.0.1
Related Party Transactions - (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 28, 2010
Jun. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Jun. 24, 2013
May 29, 2012
Related Party Transactions [Line Items]              
Subordinated Debt         $ 22,610    
5% Unsecured Subordinated Notes         22,610    
Subordinated debt interest rate 5.00%            
Debt Instrument, Unamortized Discount       $ 814 $ 814    
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   $ 0 $ 89        
Interest paid on Gregory employees subordinated notes   0 2        
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   0 1        
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   $ 0 $ 46        
Robert R. Schiller 2013 Cornerstone Trust [Member]              
Related Party Transactions [Line Items]              
Subordinated Debt           $ 3,769  
5% Unsecured Subordinated Notes           $ 3,769