Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Narrative (Details)

v3.5.0.2
Notes Payable - Narrative (Details) - USD ($)
1 Months Ended 9 Months Ended
Aug. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Unused borrowing capacity, amount   $ 40,000,000  
Face amount of debt   $ 40,000,000  
Extension period   5 years  
Revolving Credit Facility | Frost Nevada      
Line of Credit Facility [Line Items]      
Amount outstanding   $ 15,120,000  
Revolving Credit Facility | Vector Group      
Line of Credit Facility [Line Items]      
Amount outstanding   1,680,000  
Notes Payable | KMS Subordinated Notes Payable      
Line of Credit Facility [Line Items]      
Repayments of debt $ 600,000    
Prime Rate | Notes Payable | KMS Subordinated Notes Payable      
Line of Credit Facility [Line Items]      
Basis spread on variable rate 1.00%    
Estimate of Fair Value Measurement | Level 2      
Line of Credit Facility [Line Items]      
Fair value of notes payable   $ 46,185,000 $ 50,416,000