Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt- Senior Secured Credit Facility - Revolver and Term Loan (Details)

v3.4.0.3
Long-Term Debt- Senior Secured Credit Facility - Revolver and Term Loan (Details)
 3 Months Ended
Jun. 30, 2015
USD ($)
bank
Rate
Mar. 31, 2016
USD ($)
Rate
Dec. 31, 2015
USD ($)
Mar. 12, 2014
Line of Credit Facility [Line Items]        
Number of banks | bank 2      
Maximum percentage of investment allowed in non-core subsidiaries   49.00%    
Maximum total funded debt to EBITDA ratio   2.0    
Minimum debt service coverage ratio   1.5    
Term Loan        
Line of Credit Facility [Line Items]        
Current borrowing capacity $ 17,143,000      
Amount outstanding   $ 12,857,000 $ 14,285,000  
Weighted average interest rate   2.63%    
Fixed interest rate | Rate   3.72%    
Principal payments due in quarterly installments   $ 1,429,000    
Revolving Credit Facility        
Line of Credit Facility [Line Items]        
Increase in basis spread on prime rate       0.25%
Increase in basis spread on variable rate       0.25%
Current borrowing capacity 60,000,000      
Additional borrowing capacity 25,000,000      
Capacity available in Canadian Dollars, Euros, and Pounds Sterling (up to) $ 20,000,000      
Amount outstanding   $ 0 $ 11,300,000  
Commitment fee | Rate 0.375%      
Interest rate at period end   4.00%    
LIBOR | Revolving Credit Facility        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 1.50%      
LIBOR | Revolving Credit Facility | Maximum        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 2.00%      
LIBOR | Revolving Credit Facility | Minimum        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 1.75%      
Adjusted Base Rate Applicable Margin Rate | Revolving Credit Facility | Maximum        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 0.50%      
Adjusted Base Rate Applicable Margin Rate | Revolving Credit Facility | Minimum        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 0.25%      
Federal Funds Rate | Revolving Credit Facility        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 0.50%