FDIC-Assisted Acquired Loans (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jun. 09, 2017	Apr. 26, 2016	Jun. 20, 2014
FDIC-ASSISTED ACQUIRED LOANS
Goodwill recorded on acquisition date	$ 10,813,000	$ 6,081,000
Team Bank
FDIC-ASSISTED ACQUIRED LOANS
Goodwill recorded on acquisition date				$ 0
Gross loans receivable	2,703,000	3,613,000
Balance of accretable discount due to change in expected losses	0	(65,000)
Net carrying value of loans receivable	2,703,000	3,548,000
Vantus Bank
FDIC-ASSISTED ACQUIRED LOANS
Goodwill recorded on acquisition date				0
Gross loans receivable	3,983,000	5,304,000
Balance of accretable discount due to change in expected losses	0	(19,000)
Net carrying value of loans receivable	3,983,000	5,285,000
Sun Security Bank
FDIC-ASSISTED ACQUIRED LOANS
Goodwill recorded on acquisition date				$ 0
Gross loans receivable	7,221,000	9,405,000
Balance of accretable discount due to change in expected losses	0	(63,000)
Net carrying value of loans receivable	7,221,000	9,342,000
Inter Bank
FDIC-ASSISTED ACQUIRED LOANS
Goodwill recorded on acquisition date			$ 0
Gross loans receivable	24,402,000	32,645,000
Balance of accretable discount due to change in expected losses	0	(58,000)
Net carrying value of loans receivable	24,402,000	32,587,000
Valley Bank
FDIC-ASSISTED ACQUIRED LOANS
Goodwill recorded on acquisition date					$ 0
Gross loans receivable	12,750,000	23,632,000
Balance of accretable discount due to change in expected losses	0	(224,000)
Net carrying value of loans receivable	$ 12,750,000	$ 23,408,000