Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Series A preferred stock Preferred Stock	Series A preferred stock Additional Paid-In Capital	Series A preferred stock Retained Earnings	Series A preferred stock	Preferred Stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2012					$ 24,140	$ 101,354	$ 7,337	$ 8,773	$ 3,925	$ 145,529
Balance (in shares) at Dec. 31, 2012						25,307,110
Increase (Decrease) in Stockholders' Equity
Repurchases of shares	$ (20,725)	$ (275)		$ (21,000)
Repurchase of warrants							(1,575)			(1,575)
Accretion on Series A preferred stock	$ 189		$ (189)
Dividend on Series A preferred stock			$ (708)	$ (708)
Exercise of stock options						$ 138				138
Exercise of stock options (in shares)						33,757
Share-based compensation							533			533
Tax benefit of share-based compensation						$ 19				19
Net issuance of restricted share awards (in shares)						56,913
Net income								10,841		10,841
Other comprehensive (loss) income									(7,350)	(7,350)
Balance at Dec. 31, 2013					3,604	$ 101,511	6,020	18,717	(3,425)	126,427
Balance (in shares) at Dec. 31, 2013						25,397,780
Increase (Decrease) in Stockholders' Equity
Issuance of common stock in MISN Transaction						$ 60,255				60,255
Issuance of common stock in MISN Transaction (in shares)						7,541,326
Repurchases of shares						$ (387)				(387)
Repurchases of shares (in shares)						(51,732)
Stock issuance costs							(381)			(381)
Conversion of Series C preferred stock					(2,548)	$ 2,548	168	(168)
Conversion of Series C preferred stock (in shares)						840,841
Dividends declared ($0.08 and $0.23 per share) during the year ended December 31, 2014 and 2015, respectively								(2,742)		(2,742)
Exercise of stock options						$ 269				269
Exercise of stock options (in shares)						68,339
Share-based compensation							993			993
Tax benefit of share-based compensation							184			184
Net issuance of restricted share awards (in shares)						108,506
Net income								8,965		8,965
Other comprehensive (loss) income									4,357	4,357
Balance at Dec. 31, 2014					1,056	$ 164,196	6,984	24,772	932	197,940
Balance (in shares) at Dec. 31, 2014						33,905,060
Increase (Decrease) in Stockholders' Equity
Repurchases of shares						$ (28)				(28)
Repurchases of shares (in shares)						(3,696)
Conversion of Series C preferred stock					$ (1,056)	$ 1,056	70	(70)
Conversion of Series C preferred stock (in shares)						348,697
Dividends declared ($0.08 and $0.23 per share) during the year ended December 31, 2014 and 2015, respectively								(7,851)		(7,851)
Exercise of stock options						$ 293				293
Exercise of stock options (in shares)						56,432
Share-based compensation							1,092			1,092
Tax benefit of share-based compensation							105			105
Net issuance of restricted share awards (in shares)						46,521
Net income								15,349		15,349
Other comprehensive (loss) income									(466)	(466)
Balance at Dec. 31, 2015						$ 165,517	$ 8,251	$ 32,200	$ 466	$ 206,434
Balance (in shares) at Dec. 31, 2015						34,353,014