Condensed Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock, at Cost [Member]
Beginning Balance at Dec. 31, 2013	$ 654,132	$ 899	$ 689,394	$ 7,991	$ 11	$ (44,163)
Beginning Balance, shares at Dec. 31, 2013	89,900,453	89,900,453
Equity-based compensation	1,335		1,335
Unrealized loss on derivatives, net of tax benefit of $660	(1,080)				(1,080)
Vesting of restricted shares		1	(1)
Vesting of restricted shares, shares		61,830
Shares withheld for tax withholdings	(130)		(130)
Shares withheld for tax withholdings, shares		(4,019)
Cash dividends declared to stockholders ($0.41 per share)	(36,056)		(36,056)
Repurchase of 1,750,000 shares of treasury stock, at cost	(50,706)					(50,706)
Net loss	(12,095)			(12,095)
Ending Balance at Jun. 30, 2014	$ 555,400	$ 900	$ 654,542	$ (4,104)	$ (1,069)	$ (94,869)
Ending Balance, shares at Jun. 30, 2014	89,958,264	89,958,264