Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Swaps (Details)

v3.5.0.2
Long-Term Debt - Swaps (Details)
 3 Months Ended
Mar. 31, 2015
USD ($)
contract
Jun. 30, 2016
USD ($)
item
Dec. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
Derivative [Line Items]        
Derivative Number of Contracts | contract 3      
Derivative Liability, Notional Amount   $ (4,259,000)   $ 44,000
Interest Rate Derivative Liabilities, at Fair Value   4,259,000 $ 1,501,000  
Derivative Liability, Current   385,000   137,000
Derivative Liability, Noncurrent   $ 3,874,000   $ 93,000
Interest rate swap        
Derivative [Line Items]        
Number of financial institutions for which the entity is exposed to counterparty credit risk | item   1    
Interest Rate Swap Effective 29 March 2018 through 31 March 2020        
Derivative [Line Items]        
Derivative Liability, Notional Amount $ 90,000,000      
Derivative, Fixed Interest Rate   6.916%    
Interest Rate Swap Effective 29 March 2018 through 31 March 2020 | London Interbank Offered Rate (LIBOR)        
Derivative [Line Items]        
Derivative, Basis Spread on Variable Rate   4.25%    
Derivative, Floor Interest Rate   1.00%    
Interest Rate Swap Effective 31 December 2015 through 29 March 2018        
Derivative [Line Items]        
Derivative Liability, Notional Amount 45,000,000      
Derivative, Fixed Interest Rate   6.105%    
Interest Rate Swap Effective 31 December 2015 through 29 March 2018 | London Interbank Offered Rate (LIBOR)        
Derivative [Line Items]        
Derivative, Basis Spread on Variable Rate   4.25%    
Derivative, Floor Interest Rate   1.00%    
Interest Rate Swap Effective 31 March 2020 through 30 June 2021        
Derivative [Line Items]        
Derivative Liability, Notional Amount $ 135,000,000      
Derivative, Fixed Interest Rate   7.168%    
Interest Rate Swap Effective 31 March 2020 through 30 June 2021 | London Interbank Offered Rate (LIBOR)        
Derivative [Line Items]        
Derivative, Basis Spread on Variable Rate   4.25%    
Derivative, Floor Interest Rate   1.00%