Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period (in shares) at Dec. 31, 2020		9,499
Balance at beginning of period at Dec. 31, 2020	$ 144,488	$ 9,499	$ 43,215	$ 84,993	$ 6,781
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in net unrealized losses on securities available for sale, net of reclassification adjustment and tax effects	(10,192)				(10,192)
Dividends on common shares	(3,348)			(3,348)
Issuance of common stock (in shares)		3,988
Issuance of common stock	71,383	$ 3,988	67,395
Issuance of restricted stock (in shares)		187
Issuance of restricted stock	0	$ 187	(187)
Stock-based compensation expense	299		299
Net income	14,500			14,500
Balance at end of period (in shares) at Sep. 30, 2021		13,674
Balance at end of period at Sep. 30, 2021	217,130	$ 13,674	110,722	96,145	(3,411)
Balance at beginning of period (in shares) at Jun. 30, 2021		9,499
Balance at beginning of period at Jun. 30, 2021	146,894	$ 9,499	43,232	91,963	2,200
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in net unrealized losses on securities available for sale, net of reclassification adjustment and tax effects	(5,611)				(5,611)
Dividends on common shares	(1,401)			(1,401)
Issuance of common stock (in shares)		3,988
Issuance of common stock	71,383	$ 3,988	67,395
Issuance of restricted stock (in shares)		187
Issuance of restricted stock	0	$ 187	(187)
Stock-based compensation expense	282		282
Net income	5,583			5,583
Balance at end of period (in shares) at Sep. 30, 2021		13,674
Balance at end of period at Sep. 30, 2021	217,130	$ 13,674	110,722	96,145	(3,411)
Balance at beginning of period (in shares) at Dec. 31, 2021		13,674
Balance at beginning of period at Dec. 31, 2021	217,707	$ 13,674	111,021	99,189	(6,177)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in net unrealized losses on securities available for sale, net of reclassification adjustment and tax effects	(60,923)				(60,923)
Dividends on common shares	(5,262)			(5,262)
Issuance of common stock (in shares)		3,848
Issuance of common stock	59,468	$ 3,848	55,620
Tax withholding related to vesting of restricted stock (in shares)		(15)
Tax withholding related to vesting of restricted stock	(231)	$ (15)	(216)
Issuance of restricted stock (in shares)		134
Issuance of restricted stock	0	$ 134	(134)
Stock-based compensation expense	1,317		1,317
Net income	13,991			13,991
Balance at end of period (in shares) at Sep. 30, 2022		17,641
Balance at end of period at Sep. 30, 2022	226,067	$ 17,641	167,608	107,918	(67,100)
Balance at beginning of period (in shares) at Jun. 30, 2022		17,581
Balance at beginning of period at Jun. 30, 2022	234,595	$ 17,581	167,376	104,561	(54,923)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in net unrealized losses on securities available for sale, net of reclassification adjustment and tax effects	(12,177)				(12,177)
Dividends on common shares	(1,895)			(1,895)
Tax withholding related to vesting of restricted stock (in shares)		(12)
Tax withholding related to vesting of restricted stock	(149)	$ (12)	(137)
Issuance of restricted stock (in shares)		72
Issuance of restricted stock	0	$ 72	(72)
Stock-based compensation expense	441		441
Net income	5,252			5,252
Balance at end of period (in shares) at Sep. 30, 2022		17,641
Balance at end of period at Sep. 30, 2022	$ 226,067	$ 17,641	$ 167,608	$ 107,918	$ (67,100)