Interest Rate Swap Summary (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Interest Rate Swap One
Derivatives
Derivative Liability, Notional Amount	$ 160,000
Debt Instrument, Description of Variable Rate Basis	3 month LIBOR	[1]
Derivative, Fixed Interest Rate	3.378%	[1]
Derivative, Inception Date	Oct. 21, 2014	[2]
Derivative, Maturity Date	Oct. 21, 2021	[2]
Interest Rate Swap Two
Derivatives
Derivative Liability, Notional Amount	$ 100,000
Debt Instrument, Description of Variable Rate Basis	3 month LIBOR	[1]
Derivative, Fixed Interest Rate	2.498%	[1]
Derivative, Inception Date	Nov. 30, 2015	[2]
Derivative, Maturity Date	Nov. 30, 2022	[2]

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

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