Consolidated Statement of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Number of Common Shares Issued [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Undivided Profits [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2017	$ 44,540		$ 8,891	$ 12,824	$ 13,282	$ (1,107)	$ 10,650
Beginning balance, shares at Dec. 31, 2017		7,112,853
Net Income	1,344				916		428
Repurchase and retirement of common stock	(592)		(133)	(459)
Repurchase and retirement of common stock, shares		(106,627)
Stock options exercised	65		16	49
Stock options exercised, shares		13,378
Other comprehensive income (loss)	(1,225)					(1,225)
Record preferred stock dividend Series B (noncontrolling interest)	(312)						(312)
Record preferred stock dividend Series C (noncontrolling interest)	(111)						(111)
Ending balance at Sep. 30, 2018	43,709		8,774	12,414	14,198	(2,332)	10,655
Ending balance, shares at Sep. 30, 2018		7,019,604
Beginning balance at Jun. 30, 2018	43,925		8,876	12,762	13,699	(2,066)	10,654
Beginning balance, shares at Jun. 30, 2018		7,100,749
Net Income	643				499		144
Repurchase and retirement of common stock	(450)		(102)	(348)
Repurchase and retirement of common stock, shares		(81,145)
Other comprehensive income (loss)	(266)					(266)
Record preferred stock dividend Series B (noncontrolling interest)	(106)						(106)
Record preferred stock dividend Series C (noncontrolling interest)	(37)						(37)
Ending balance at Sep. 30, 2018	43,709		8,774	12,414	14,198	(2,332)	10,655
Ending balance, shares at Sep. 30, 2018		7,019,604
Beginning balance at Dec. 31, 2018	45,175		8,908	12,885	14,421	(1,694)	10,655
Beginning balance, shares at Dec. 31, 2018		7,126,541
Net Income	2,609				2,187		422
Repurchase and retirement of common stock	(750)		(188)	(562)
Repurchase and retirement of common stock, shares		(150,807)
Other comprehensive income (loss)	2,295					2,295
Record preferred stock dividend Series B (noncontrolling interest)	(311)						(311)
Record preferred stock dividend Series C (noncontrolling interest)	(111)						(111)
Ending balance at Sep. 30, 2019	48,907		8,720	12,323	16,608	601	10,655
Ending balance, shares at Sep. 30, 2019		6,975,734
Beginning balance at Jun. 30, 2019	48,053		8,840	12,683	15,782	93	10,655
Beginning balance, shares at Jun. 30, 2019		7,072,062
Net Income	968				826		142
Repurchase and retirement of common stock	(480)		(120)	(360)
Repurchase and retirement of common stock, shares		(96,328)
Other comprehensive income (loss)	508					508
Record preferred stock dividend Series B (noncontrolling interest)	(105)						(105)
Record preferred stock dividend Series C (noncontrolling interest)	(37)						(37)
Ending balance at Sep. 30, 2019	$ 48,907		$ 8,720	$ 12,323	$ 16,608	$ 601	$ 10,655
Ending balance, shares at Sep. 30, 2019		6,975,734