Interest Rate Swap Summary (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Interest Rate Swap One
Interest rate swap derivative financial instruments
Forecasted Notional Amount	$ 160,000
Variable Interest Rate	3 month LIBOR	[1]
Fixed Interest Rate	3.378%	[1]
Term, Effective Date	Oct. 21, 2014	[2]
Term, Maturity Date	Oct. 21, 2021	[2]
Interest Rate Swap Two
Interest rate swap derivative financial instruments
Forecasted Notional Amount	$ 100,000
Variable Interest Rate	3 month LIBOR	[1]
Fixed Interest Rate	2.498%	[1]
Term, Effective Date	Nov. 30, 2015	[2]
Term, Maturity Date	Nov. 30, 2022	[2]

[1] The Company pays the fixed interest rate and the counterparty pays the Company the variable interest rate.

[2] No cash will be exchanged prior to the beginning of the payment term.