Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Components of Notes Payable (Details)

v3.19.1
Notes Payable - Components of Notes Payable (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Aug. 09, 2018
May 22, 2018
Nov. 21, 2017
Debt Instrument [Line Items]          
Less: Unamortized debt issuance costs $ (6,801) $ (7,086)      
Total 261,237 254,072      
Unamortized discount 6,209 6,372      
Notes Payable | Note payable under subsidiary's term loan with bank          
Debt Instrument [Line Items]          
Long-term debt 6,823 0      
Notes Payable | Note payable under subsidiary's revolver with bank          
Debt Instrument [Line Items]          
Long-term debt 56 89      
Notes Payable | Notes payable to Kestler Financial Group's former shareholders          
Debt Instrument [Line Items]          
Long-term debt 5,347 5,399      
Notes Payable | Notes payable to Four Seasons Financial Group's former shareholders          
Debt Instrument [Line Items]          
Long-term debt 342 364      
Senior Notes | 6.5% Senior notes          
Debt Instrument [Line Items]          
Senior Notes $ 82,744 82,742      
Interest rate 6.50%       6.50%
Unamortized discount $ 65 67      
Senior Notes | 7% Senior Notes          
Debt Instrument [Line Items]          
Senior Notes $ 42,476 42,475      
Total   $ 1,622      
Interest rate 7.00% 7.00%   7.00%  
Unamortized discount $ 44 $ 44      
Senior Notes | 7.25% Senior Notes          
Debt Instrument [Line Items]          
Senior Notes $ 60,000 60,000      
Interest rate 7.25%   7.25%    
Senior Notes | 7.25% Frost Notes          
Debt Instrument [Line Items]          
Senior Notes $ 70,250 70,089      
Interest rate 7.25%        
Unamortized discount $ 6,100 $ 6,261