Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Narrative (Details)

v3.7.0.1
Derivative Instruments - Narrative (Details) - USD ($)
6 Months Ended
Jun. 30, 2017
Jul. 22, 2016
Sep. 15, 2015
Derivative Instruments, Gain (Loss) [Line Items]      
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months $ 200,000    
Interest Rate Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Notional Amount 300,000,000    
Interest rate swaps, fair value $ 6,900,000    
2015 Term Loan [Member] | Interest Rate Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Number of Instruments Held     2
Derivative, Notional Amount     $ 150,000,000
Derivative, Fixed Interest Rate     2.70%
2016 Term Loan [Member] | Interest Rate Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative, Number of Instruments Held   2  
Derivative, Notional Amount   $ 150,000,000  
Derivative, Fixed Interest Rate   2.90%