Consolidated Statements of Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total		Common Stock and Related Surplus [Member]	Unearned ESOP Shares [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]
Beginning Balance at Dec. 31, 2019	$ 247,764		$ 80,084	$ (714)	$ 165,859	$ 2,535
Comprehensive income:
Net income	4,506				4,506
Other comprehensive income	(1,704)					(1,704)
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	162		162
Stock Issued During Period, Value, Employee Stock Ownership Plan	131		70	61
Stock Repurchased and Retired During Period, Value	(1,282)		(1,282)
Stock Issued During Period, Value, Acquisitions	15,354		15,354
Stock Issued During Period, Value, Dividend Reinvestment Plan	51		51
Common stock cash dividends declared	(2,201)				(2,201)
Ending Balance at Mar. 31, 2020	256,025		94,439	(653)	161,408	831
Beginning Balance at Dec. 31, 2020	281,580	[1]	94,964	(472)	181,643	5,445
Comprehensive income:
Net income	10,360				10,360
Other comprehensive income	3,373					3,373
Share-based compensation expense	126		126
Stock Issued During Period, Value, Employee Stock Ownership Plan	136		74	62
Stock Issued During Period, Value, Dividend Reinvestment Plan	70		70
Common stock cash dividends declared	(2,200)				(2,200)
Ending Balance at Mar. 31, 2021	$ 293,445		$ 95,234	$ (410)	$ 189,803	$ 8,818

[1] Derived from audited consolidated financial statements