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, 2018			0	12,784,444
Balance at Dec. 31, 2018	$ 215,259			$ 128	$ 141,128	$ (3,750)	$ 77,753
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	7,904						7,904
Other comprehensive income (loss)	15,398					15,398
Dividends declared	(3,133)						(3,133)
Shares issued under share-based compensation plans (in shares)				84,922
Shares issued under share-based compensation plans	1			$ 1	0
Share-based compensation	1,960				1,960
Balance (in shares) at Sep. 30, 2019			0	12,869,366
Balance at Sep. 30, 2019	237,389			$ 129	143,088	11,648	82,524
Balance (in shares) at Jun. 30, 2019			0	12,849,319
Balance at Jun. 30, 2019	230,785			$ 128	142,486	9,260	78,911
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	4,659						4,659
Other comprehensive income (loss)	2,388					2,388
Dividends declared	(1,046)						(1,046)
Shares issued under share-based compensation plans (in shares)				20,047
Shares issued under share-based compensation plans	1
Share-based compensation	602				602
Balance (in shares) at Sep. 30, 2019			0	12,869,366
Balance at Sep. 30, 2019	237,389			$ 129	143,088	11,648	82,524
Balance (in shares) at Dec. 31, 2019			0	14,414,821
Balance at Dec. 31, 2019	248,693	$ (25)		$ 144	167,677	10,281	70,591	$ (25)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(40,091)						(40,091)
Other comprehensive income (loss)	5,482					5,482
Dividends declared	(3,819)						(3,819)
Shares issued under share-based compensation plans (in shares)				102,939
Shares issued under share-based compensation plans	42			$ 1	41
Repurchases of common stock (in shares)				(800,235)
Repurchases of common stock	(10,000)			$ (8)			(9,992)
Share-based compensation	1,194				1,194
Balance (in shares) at Sep. 30, 2020			0	13,717,525
Balance at Sep. 30, 2020	201,476			$ 137	168,912	15,763	16,664
Balance (in shares) at Jun. 30, 2020			0	13,703,175
Balance at Jun. 30, 2020	221,680			$ 137	168,485	14,390	38,668
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(20,745)						(20,745)
Other comprehensive income (loss)	1,373					1,373
Dividends declared	(1,259)						(1,259)
Shares issued under share-based compensation plans (in shares)				14,350
Shares issued under share-based compensation plans	41			$ 0
Share-based compensation	386				386
Balance (in shares) at Sep. 30, 2020			0	13,717,525
Balance at Sep. 30, 2020	$ 201,476			$ 137	$ 168,912	$ 15,763	$ 16,664