Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Series 2021 Preferred Stock	Preferred Stock	Common Stock	Unearned ESOP Shares [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2018	$ 219,830		$ 0	$ 80,431	$ (939)	$ 141,354	$ (1,016)
Comprehensive income:
Net income	31,866					31,866
Other comprehensive income	3,551						3,551
Exercise of stock options	7			7
Stock compensation expense	590			590
Stock Issued During Period, Value, Employee Stock Ownership Plan	530			305	225
Stock Repurchased and Retired During Period, Value	(10,405)			(10,405)
Stock Issued During Period, Value, Acquisitions	8,918			8,918
Stock Issued During Period, Value, Dividend Reinvestment Plan	238			238
Dividends, Preferred Stock, Cash	0
Dividends, Common Stock, Cash	(7,361)					(7,361)
Ending Balance at Dec. 31, 2019	$ 247,764		0	80,084	(714)	165,859	2,535
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	17,366
Stock Issued During Period, Shares, Employee Stock Ownership Plan	20,855
Stock Repurchased and Retired During Period, Shares	417,577
Stock Issued During Period, Shares, Acquisitions	465,931
Common stock issuances from reinvested dividends, number of shares	9,034
Common Stock, Dividends, Per Share, Declared	$ 0.59
Net income	$ 31,326					31,326
Other comprehensive income	2,910						2,910
Impact of adoption of ASC 326	(6,756)					(6,756)
Exercise of stock options	0			0
Stock Issued During Period, Value, Restricted Stock Award, Gross	0			0
Stock compensation expense	527			527
Stock Issued During Period, Value, Employee Stock Ownership Plan	420			178	242
Stock Repurchased and Retired During Period, Value	(1,444)			(1,444)
Stock Issued During Period, Value, Acquisitions	15,354			15,354
Stock Issued During Period, Value, Dividend Reinvestment Plan	265			265
Dividends, Preferred Stock, Cash	0
Dividends, Common Stock, Cash	(8,786)					(8,786)
Ending Balance at Dec. 31, 2020	$ 281,580		0	94,964	(472)	181,643	5,445
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	499
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	964
Stock Issued During Period, Shares, Employee Stock Ownership Plan	22,395
Stock Repurchased and Retired During Period, Shares	75,333
Stock Issued During Period, Shares, Acquisitions	570,000
Common stock issuances from reinvested dividends, number of shares	14,937
Common Stock, Dividends, Per Share, Declared	$ 0.68
Net income	$ 45,738					45,738
Other comprehensive income	37						37
Exercise of stock options	16			16
Stock Issued During Period, Value, Restricted Stock Award, Gross	0			0
Stock compensation expense	646			646
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants	14,920		14,920
Stock Issued During Period, Value, Employee Stock Ownership Plan	563			315	248
Stock Repurchased and Retired During Period, Value	(6,710)			(6,710)
Stock Issued During Period, Value, Dividend Reinvestment Plan	294			294
Dividends, Preferred Stock, Cash	(589)					(589)
Dividends, Common Stock, Cash	(9,022)					(9,022)
Ending Balance at Dec. 31, 2021	$ 327,473		$ 14,920	$ 89,525	$ (224)	$ 217,770	$ 5,482
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	10,604
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	4,171
Stock Issued During Period, Shares, New Issues		1,500
Stock Issued During Period, Shares, Employee Stock Ownership Plan	23,002
Stock Repurchased and Retired During Period, Shares	248,244
Common stock issuances from reinvested dividends, number of shares	11,588
Common Stock, Dividends, Per Share, Declared	$ 0.70