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	762		762
Equity-based compensation, shares
Unrealized loss on derivatives, net of tax	(208)				(208)
Vesting of restricted shares
Vesting of restricted shares, shares		22,978
Shares withheld for tax withholdings	(78)		(78)
Shares withheld for tax withholdings, shares		(2,541)
Cash dividends declared to stockholders	(17,766)		(17,766)
Net loss	(49,431)			(49,431)
Ending Balance at Mar. 31, 2014	$ 587,411	$ 899	$ 672,312	$ (41,440)	$ (197)	$ (44,163)
Ending Balance, shares at Mar. 31, 2014	89,920,890	89,920,890