Condensed Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Unallocated Common Stock of ESOP [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2018	$ 67	$ 28,326	$ (2,433)	$ 34,995	$ (593)		$ 60,362
Balance (in shares) at Dec. 31, 2018	6,696,742
Net Income				637			637
ESOP shares committed to be released		4	65				69
Stock based compensation expense		159					159
Other comprehensive loss					828		828
Repurchase of common stock						$ (871)	(871)
Repurchase of common stock (in shares)	(29,436)
Balance at Jun. 30, 2019	$ 67	28,489	(2,368)	35,632	235	(871)	61,184
Balance (in shares) at Jun. 30, 2019	6,667,306
Balance at Dec. 31, 2019	$ 67	28,672	(2,303)	36,551	344	(1,461)	61,870
Balance (in shares) at Dec. 31, 2019	7,702,478
Conversion of FFBW, Inc. (net of costs of $1.2 million)	$ 10	41,561					41,571
Conversion of FFBW, Inc. (net of costs of $1.2 million) (in shares)	2,397
Purchase of 341,485 shares of ESOP			(3,814)				(3,814)
Treasury stock retired		(1,461)				$ 1,461
Contribution of FFBW, MHC		99					99
Net Income				772			772
ESOP shares committed to be released		(24)	152				128
Stock based compensation expense		178					178
Other comprehensive loss					1,168		1,168
Balance at Jun. 30, 2020	$ 77	$ 69,025	$ (5,965)	$ 37,323	$ 1,512		$ 101,972
Balance (in shares) at Jun. 30, 2020	7,704,875