XML 61 R49.htm IDEA: XBRL DOCUMENT v3.3.1.900
Borrowings (Narrative) (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
installment
Dec. 31, 2014
USD ($)
Jun. 30, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Mar. 31, 2015
USD ($)
Debt Instrument [Line Items]              
Borrowings drawn         $ 12,700,000 $ 37,300,000  
Available borrowing capacity $ 50,000,000       50,000,000    
Amount outstanding 35,358,000       35,358,000    
Repayments of principal in year four 11,429,000       11,429,000    
Revolving credit facility              
Debt Instrument [Line Items]              
Line of Credit Facility, Current Borrowing Capacity 50,000,000       50,000,000    
Line Of Credit Facility, Additional Amounts Available For Borrowings 25,000,000       25,000,000    
Borrowing capacity 75,000,000       75,000,000    
Borrowings drawn         12,700,000 37,300,000  
Available borrowing capacity 50,000,000       50,000,000    
Interest expense 400,000   $ 393,000   $ 1,200,000 $ 1,300,000  
Revolving credit facility | Minimum              
Debt Instrument [Line Items]              
Commitment fee of unused balance (as a percent)         0.25%    
Revolving credit facility | Maximum              
Debt Instrument [Line Items]              
Commitment fee of unused balance (as a percent)         0.375%    
Notes payable to banks              
Debt Instrument [Line Items]              
Borrowing capacity 50,000,000       $ 50,000,000    
Borrowings drawn   $ 12,700,000   $ 37,300,000      
Available borrowing capacity 0       $ 0    
Commitment fee of unused balance (as a percent)         0.375%    
Number of installments for debt instrument periodic payment | installment   9          
Amount of periodic payment of debt   $ 2,700,000          
2014 Credit Agreement              
Debt Instrument [Line Items]              
Debt issuance costs             $ 900,000
Deferred Costs, Noncurrent             300,000
Amount outstanding $ 35,358,000       $ 35,358,000   $ 29,840,000
Interest rate (as a percent) 2.75%       2.75%   2.44%
2014 Credit Agreement | Federal funds rate              
Debt Instrument [Line Items]              
Interest rate added to base rate (as a percent)         0.50%    
2014 Credit Agreement | Eurocurrency rate              
Debt Instrument [Line Items]              
Interest rate added to base rate (as a percent)         1.00%    
2014 Credit Agreement | Minimum              
Debt Instrument [Line Items]              
Letter of credit fee (as a percent)         2.25%    
2014 Credit Agreement | Minimum | Eurodollar rate              
Debt Instrument [Line Items]              
Interest rate added to base rate (as a percent)         2.25%    
2014 Credit Agreement | Minimum | Eurocurrency rate              
Debt Instrument [Line Items]              
Interest rate added to base rate (as a percent)         1.25%    
2014 Credit Agreement | Maximum              
Debt Instrument [Line Items]              
Letter of credit fee (as a percent)         2.75%    
2014 Credit Agreement | Maximum | Eurodollar rate              
Debt Instrument [Line Items]              
Interest rate added to base rate (as a percent)         2.75%    
2014 Credit Agreement | Maximum | Eurocurrency rate              
Debt Instrument [Line Items]              
Interest rate added to base rate (as a percent)         1.75%