CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid in Capital	Accumulated Other Comprehensive Income/(Loss)	Retained Earnings	Total
Balance at Dec. 31, 2019	$ 184,043	$ 287	$ 1,251	$ 68,639	$ 254,220
Balance (in shares) at Dec. 31, 2019	12,444,632
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				2,818	2,818
Other comprehensive income (loss), net			810		810
Restricted stock granted (in shares)	15,173
Restricted stock forfeited (in shares)	(1,432)
Stock based compensation	$ 309				309
Repurchase of shares	$ (4,596)				(4,596)
Repurchase of shares (in shares)	(228,525)
Balance at Mar. 31, 2020	$ 179,756	287	2,061	71,457	253,561
Balance (in shares) at Mar. 31, 2020	12,229,848
Balance at Dec. 31, 2019	$ 184,043	287	1,251	68,639	254,220
Balance (in shares) at Dec. 31, 2019	12,444,632
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income					9,186
Other comprehensive income (loss), net					1,629
Stock based compensation					1,057
Balance at Sep. 30, 2020	$ 174,357	287	2,880	77,825	255,349
Balance (in shares) at Sep. 30, 2020	11,833,115
Balance at Mar. 31, 2020	$ 179,756	287	2,061	71,457	253,561
Balance (in shares) at Mar. 31, 2020	12,229,848
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				3,119	3,119
Other comprehensive income (loss), net			828		828
Restricted stock granted (in shares)	92,294
Stock based compensation	$ 363				363
Repurchase of shares	$ (5,463)				(5,463)
Repurchase of shares (in shares)	(451,978)
Balance at Jun. 30, 2020	$ 174,656	287	2,889	74,576	252,408
Balance (in shares) at Jun. 30, 2020	11,870,164
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				3,249	3,249
Other comprehensive income (loss), net			(9)		(9)
Restricted stock granted (in shares)	21,599
Stock based compensation	$ 385				385
Repurchase of shares	$ (684)				(684)
Repurchase of shares (in shares)	(58,648)
Balance at Sep. 30, 2020	$ 174,357	287	2,880	77,825	255,349
Balance (in shares) at Sep. 30, 2020	11,833,115
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				4,540	4,540
Other comprehensive income (loss), net			(183)		(183)
Stock based compensation	$ 399				399
Repurchase of shares	$ (7,514)				(7,514)
Repurchase of shares (in shares)	(537,718)
Balance at Dec. 31, 2020	$ 167,242	287	2,697	82,365	$ 252,591
Balance (in shares) at Dec. 31, 2020	11,295,397				11,295,397
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				4,532	$ 4,532
Other comprehensive income (loss), net			(785)		(785)
Restricted stock granted (in shares)	24,187
Stock based compensation	$ 413				413
Repurchase of shares	$ (2,201)				(2,201)
Repurchase of shares (in shares)	(132,123)
Balance at Mar. 31, 2021	$ 165,454	287	1,912	86,897	254,550
Balance (in shares) at Mar. 31, 2021	11,187,461
Balance at Dec. 31, 2020	$ 167,242	287	2,697	82,365	$ 252,591
Balance (in shares) at Dec. 31, 2020	11,295,397				11,295,397
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income					$ 15,253
Other comprehensive income (loss), net					(205)
Stock based compensation					1,090
Balance at Sep. 30, 2021	$ 156,874	287	2,492	97,617	$ 257,270
Balance (in shares) at Sep. 30, 2021	10,685,511				10,685,511
Balance at Mar. 31, 2021	$ 165,454	287	1,912	86,897	$ 254,550
Balance (in shares) at Mar. 31, 2021	11,187,461
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				5,308	5,308
Other comprehensive income (loss), net			1,171		1,171
Stock based compensation	$ 351				351
Repurchase of shares	$ (8,831)				(8,831)
Repurchase of shares (in shares)	(488,020)
Balance at Jun. 30, 2021	$ 156,974	287	3,083	92,205	252,549
Balance (in shares) at Jun. 30, 2021	10,699,441
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				5,412	5,412
Other comprehensive income (loss), net			(591)		(591)
Restricted stock granted (in shares)	12,228
Restricted stock forfeited (in shares)	(2,692)
Stock based compensation	$ 326				326
Repurchase of shares	$ (426)				(426)
Repurchase of shares (in shares)	(23,466)
Balance at Sep. 30, 2021	$ 156,874	$ 287	$ 2,492	$ 97,617	$ 257,270
Balance (in shares) at Sep. 30, 2021	10,685,511				10,685,511