Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Non-Controlling Interest [Member]
Beginning balance, value at Dec. 31, 2018	$ 79,437	$ 75	$ 13,496	$ (2,377)	$ 88,668	$ (20,414)	$ (11)
Balance (in shares) at Dec. 31, 2018		6,298,062
Net income	4,566				4,566
Net change in fair value of securities available-for-sale, net of tax	2,334			2,334
Net change in fair value of derivative instruments, net of tax	(3)			(3)
Dividends declared	(562)				(562)
Impact of stock-based compensation plans, net	360		360
Impact of stock-based compensation plans, net (in shares)		5,789
Reissuance of treasury stock as compensation	42		(42)			42
Reissuance of treasury stock as compensation (in shares)		2,579
Treasury stock repurchases	(1,478)					(1,478)
Treasury stock repurchases (in shares)		(148,738)
Discontinuation of partnership consolidation	94				83		$ 11
Ending balance, value at Dec. 31, 2019	84,748	$ 75	13,814	(46)	92,755	(21,850)
Balance (in shares) at Dec. 31, 2019		6,157,692
Net income	2,707				2,707
Net change in fair value of securities available-for-sale, net of tax	1,320			1,320
Net change in fair value of derivative instruments, net of tax	(1,326)			(1,326)
Dividends declared	(740)				(740)
Impact of stock-based compensation plans, net	421		421
Impact of stock-based compensation plans, net (in shares)		28,298
Reissuance of treasury stock as compensation	449		(449)			449
Reissuance of treasury stock as compensation (in shares)		29,170
Treasury stock repurchases	(452)					(452)
Treasury stock repurchases (in shares)		(38,604)
Ending balance, value at Dec. 31, 2020	$ 86,678	$ 75	$ 13,786	$ (52)	$ 94,722	$ (21,853)
Balance (in shares) at Dec. 31, 2020		6,176,556