CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Additional Paid-in Capital	Other Comprehensive Income (Loss)	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment
Balance (in shares) at Dec. 31, 2019				14,414,821
Balance at Dec. 31, 2019	$ 248,693		$ 0	$ 144	$ 167,677	$ 10,281	$ 70,591
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(19,346)						(19,346)
Other comprehensive income (loss)	4,109					4,109
Dividends declared	(2,560)						(2,560)
Shares issued under share-based compensation plans (in shares)				88,589
Shares issued under share-based compensation plans	1			$ 1
Repurchases of common stock (in shares)				(800,235)
Repurchases of common stock	(10,000)			$ (8)			(9,992)
Share-based compensation	808				808
Balance (in shares) at Jun. 30, 2020				13,703,175
Balance at Jun. 30, 2020	221,680	$ (25)	0	$ 137	168,485	14,390	38,668	$ (25)
Balance (in shares) at Mar. 31, 2020				13,949,971
Balance at Mar. 31, 2020	239,174		0	$ 139	168,130	6,253	64,652
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(21,479)						(21,479)
Other comprehensive income (loss)	8,137					8,137
Dividends declared	(1,258)						(1,258)
Shares issued under share-based compensation plans (in shares)				29,856
Shares issued under share-based compensation plans	1			$ 1
Repurchases of common stock (in shares)				(276,652)
Repurchases of common stock	(3,250)			$ (3)			(3,247)
Share-based compensation	355				355
Balance (in shares) at Jun. 30, 2020				13,703,175
Balance at Jun. 30, 2020	221,680	$ (25)	0	$ 137	168,485	14,390	38,668	$ (25)
Balance (in shares) at Dec. 31, 2020				13,717,908
Balance at Dec. 31, 2020	158,160		0	$ 137	169,298	11,386	(22,661)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(69,750)						(69,750)
Other comprehensive income (loss)	(6,313)					(6,313)
Issuance of common stock (in shares)				3,600,650
Issuance of common stock	15,571			$ 36	15,535
Shares issued under share-based compensation plans (in shares)				124,287
Shares issued under share-based compensation plans	1			$ 1
Share-based compensation	745				745
Balance (in shares) at Jun. 30, 2021				17,442,845
Balance at Jun. 30, 2021	98,414		0	$ 174	185,578	5,073	(92,411)
Balance (in shares) at Mar. 31, 2021				17,313,461
Balance at Mar. 31, 2021	147,109		0	$ 173	184,792	4,186	(42,042)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(50,369)						(50,369)
Other comprehensive income (loss)	887					887
Issuance of common stock (in shares)				100,650
Issuance of common stock	449			$ 1	448
Shares issued under share-based compensation plans (in shares)				28,734
Shares issued under share-based compensation plans	0
Share-based compensation	338				338
Balance (in shares) at Jun. 30, 2021				17,442,845
Balance at Jun. 30, 2021	$ 98,414		$ 0	$ 174	$ 185,578	$ 5,073	$ (92,411)