Consolidated Statements of Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total		Series 2021 Preferred Stock	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Common Stock	Preferred Stock	Unearned ESOP Shares	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]
Beginning Balance at Dec. 31, 2019	$ 247,764			$ 165,859	$ 2,535	$ 80,084	$ 0	$ (714)
Comprehensive income:
Net income	11,455			11,455
Other comprehensive income	787				787
Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31)	(6,756)
Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31) | Accounting Standards Update 2016-13 [Member]									$ (6,756)
Share-based compensation expense	323					323
Proceeds from Issuance of Preferred Stock and Preference Stock	0
Stock Issued During Period, Value, Employee Stock Ownership Plan	222					101		121
Stock Repurchased and Retired During Period, Value	$ (1,444)					(1,444)
Stock Issued During Period, Shares, Acquisitions	570,000
Stock Issued During Period, Value, Acquisitions	$ 15,354					15,354
Stock Issued During Period, Value, Dividend Reinvestment Plan	121					121
Dividends, Preferred Stock, Cash	0
Common stock cash dividends declared	(4,395)			(4,395)
Ending Balance at Jun. 30, 2020	$ 263,431			166,163	3,322	94,539	0	(593)
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	651
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 0					0
Beginning Balance at Mar. 31, 2020	256,025			161,408	831	94,439	0	(653)
Comprehensive income:
Net income	6,949			6,949
Other comprehensive income	2,491				2,491
Share-based compensation expense	161					161
Stock Issued During Period, Value, Employee Stock Ownership Plan	91					31		60
Stock Repurchased and Retired During Period, Value	(162)					(162)
Stock Issued During Period, Value, Dividend Reinvestment Plan	70					70
Dividends, Preferred Stock, Cash	0
Common stock cash dividends declared	(2,194)			(2,194)
Ending Balance at Jun. 30, 2020	$ 263,431			166,163	3,322	94,539	0	(593)
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	651
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 0					0
Beginning Balance at Dec. 31, 2020	281,580	[1]		181,643	5,445	94,964	0	(472)
Comprehensive income:
Net income	20,919			20,919
Other comprehensive income	1,656				1,656
Stock Issued During Period, Value, Stock Options Exercised	0					0
Share-based compensation expense	252					252
Stock Issued During Period, Shares, New Issues			1,500
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants	14,920						14,920
Proceeds from Issuance of Preferred Stock and Preference Stock	14,920
Stock Issued During Period, Value, Employee Stock Ownership Plan	278					153		125
Stock Issued During Period, Value, Dividend Reinvestment Plan	142					142
Dividends, Preferred Stock, Cash	(139)			(139)
Common stock cash dividends declared	(4,401)			(4,401)
Ending Balance at Jun. 30, 2021	$ 315,207			198,022	7,101	95,511	14,920	(347)
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	3,400
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	380
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 0					0
Beginning Balance at Mar. 31, 2021	293,445			189,803	8,818	95,234	0	(410)
Comprehensive income:
Net income	10,560			10,560
Other comprehensive income	(1,717)				(1,717)
Share-based compensation expense	126					126
Stock Issued During Period, Shares, New Issues			1,500
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants	14,920						14,920
Stock Issued During Period, Value, Employee Stock Ownership Plan	142					79		63
Stock Issued During Period, Value, Dividend Reinvestment Plan	72					72
Dividends, Preferred Stock, Cash	(139)			(139)
Common stock cash dividends declared	(2,202)			(2,202)
Ending Balance at Jun. 30, 2021	$ 315,207			$ 198,022	$ 7,101	95,511	$ 14,920	$ (347)
Comprehensive income:
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	3,400
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 0					$ 0

[1] Derived from audited consolidated financial statements