Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Deferred Compensation Obligation
Beginning Balance at Mar. 31, 2013	$ (59,864)	$ 103,833	$ 2,536	$ 110,034	$ (189,097)	$ 3,579	$ (89,848)	$ (901)
Beginning Balance (in shares) at Mar. 31, 2013			25,363,339
Changes in Stockholders' Equity (Deficit)
Net income (loss)	111,623				111,623
Other comprehensive income (loss), net of tax	(10,201)					(10,201)
Recapitalization transaction fees	(14,360)			(14,360)
Cancellation of common stock	0		$ (2,536)	(88,213)			89,848	901
Cancellation of common stock (in shares)			(25,363,339)
Issuance of common stock	175,000		$ 88	174,912
Issuance of common stock (in shares)			9,050,000
Preferred stock exchanged for common stock	0	(110,000)	$ 3	5,997	104,000
Accretion of preferred stock discount	0	6,167			(6,167)
Ending Balance at Dec. 31, 2013	202,198	0	$ 91	188,370	20,359	(6,622)	0	0
Ending Balance (in shares) at Dec. 31, 2013			9,050,000
Changes in Stockholders' Equity (Deficit)
Net income (loss)	14,622				14,622
Other comprehensive income (loss), net of tax	4,220					4,220
Stock issuance cost	(2,324)			(2,324)
Issuance of common stock	7,951		$ 3	7,948
Issuance of common stock (in shares)			305,794
Issuance of shares of restricted stock	0		$ 1	(83)			82
Issuance of shares of restricted stock (in shares)			196,300
Forfeiture of shares of restricted stock	0			176			(176)
Stock-based compensation expense	(996)			(996)
Ending Balance at Dec. 31, 2014	227,663	0	$ 95	195,083	34,981	(2,402)	(94)	0
Ending Balance (in shares) at Dec. 31, 2014			9,552,094
Changes in Stockholders' Equity (Deficit)
Net income (loss)	137,758				137,758
Other comprehensive income (loss), net of tax	(848)					(848)
Tax benefit for restricted stock	205			205
Retirement of vested shares	(322)			(193)	(129)
Retirement of vested shares (in shares)			(8,984)
Issuance of shares of restricted stock	0		$ 1	(26)			25
Issuance of shares of restricted stock (in shares)			65,847
Forfeiture of shares of restricted stock	0			244			(244)
Stock-based compensation expense	(2,185)			(2,185)
Ending Balance at Dec. 31, 2015	$ 366,641	$ 0	$ 96	$ 197,498	$ 172,610	$ (3,250)	$ (313)	$ 0
Ending Balance (in shares) at Dec. 31, 2015			9,608,957