Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings
Beginning Balance at Dec. 31, 2013	$ 91,936	$ 6	$ 88,397	$ 3,533
Beginning Balance (in shares) at Dec. 31, 2013		64,993
Net income	9,376			9,376
Restricted stock vestings (in shares)		247
Restricted stock vestings	73		73
Dividend equivalents cancelled upon forfeiture of performance-based restricted stock awards	35		35
Shares surrendered and cancelled upon vesting of restricted stock to satisfy tax withholdings (in shares)		(91)
Shares surrendered and cancelled upon vesting of restricted stock to satisfy tax withholdings	(1,860)		(1,860)
Stock-based compensation	1,000		1,000
Tax deductions relating to stock-based compensation	690		690
Shares issuable in lieu of dividend payments on unvested performance-based restricted stock awards	(108)		(108)
Issuance of common stock under employee stock purchase plan (in shares)		68
Issuance of common stock under employee stock purchase plan	1,107		1,107
Ending Balance at Mar. 31, 2014	$ 102,249	$ 6	$ 89,334	$ 12,909
Ending Balance (in shares) at Mar. 31, 2014		65,217