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Loans and Allowance for Credit Losses - Changes in Allowance for Loan Losses (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total allowance for loan losses
Beginning Balance	$ 12,034,000	$ 9,987,000	$ 11,985,000	$ 9,855,000
Provision (Reversal) of Credit Losses	2,675,000	2,913,000	5,343,000	5,860,000
Charge-Offs	(2,722,000)	(2,662,000)	(5,887,000)	(5,571,000)
Recoveries	334,000	364,000	623,000	458,000
Ending Balance	12,321,000	10,602,000	12,321,000	10,602,000
Unfunded lending commitments
Beginning Balance	29,000		0
Provision (Reversal) of Credit Losses	13,000		16,000
Charge-Offs	0		0
Recoveries	0		0
Ending Balance	41,500		41,500
Total allowance for credit losses
Beginning Balance	12,063,000		11,985,000
Provision (Reversal) of Credit Losses	2,688,000		5,359,000
Charge-Offs	(2,722,000)		(5,887,000)
Recoveries	334,000		623,000
Ending Balance	12,363,000		12,363,000
Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			257,000
Unfunded lending commitments
Beginning Balance			26,000
Total allowance for credit losses
Beginning Balance			283,000
Construction and land development
Total allowance for loan losses
Beginning Balance	285,000		424,000
Provision (Reversal) of Credit Losses	(6,000)		(78,000)
Charge-Offs	0		0
Recoveries	0		0
Ending Balance	279,000		279,000
Construction and land development | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			(67,000)
Residential real estate
Total allowance for loan losses
Beginning Balance	799,000	411,000	876,000	352,000
Provision (Reversal) of Credit Losses	(51,000)	4,000	(73,000)	63,000
Charge-Offs	(121,000)	0	(121,000)	0
Recoveries	81,000	0	84,000	0
Ending Balance	708,000	415,000	708,000	415,000
Residential real estate | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			(58,000)
Residential real estate multifamily
Total allowance for loan losses
Beginning Balance	5,000		3,000
Provision (Reversal) of Credit Losses	1,000		2,000
Charge-Offs	0		0
Recoveries	0		0
Ending Balance	6,000		6,000
Residential real estate multifamily | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			1,000
Commercial real estate
Total allowance for loan losses
Beginning Balance	3,034,000	21,000	3,238,000	21,000
Provision (Reversal) of Credit Losses	133,000	1,000	625,000	1,000
Charge-Offs	0	0	(122,000)	0
Recoveries	0	0	0	0
Ending Balance	3,167,000	22,000	3,167,000	22,000
Commercial real estate | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			(574,000)
Commercial and industrial
Total allowance for loan losses
Beginning Balance	277,000		339,000
Provision (Reversal) of Credit Losses	75,000		114,000
Charge-Offs	(66,000)		(84,000)
Recoveries	1,000		3,000
Ending Balance	287,000		287,000
Commercial and industrial | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			(85,000)
Consumer
Total allowance for loan losses
Beginning Balance	82,000	62,000	65,000	62,000
Provision (Reversal) of Credit Losses	27,000	3,000	30,000	3,000
Charge-Offs	(19,000)	0	(19,000)	0
Recoveries	0	0	0	0
Ending Balance	90,000	65,000	90,000	65,000
Consumer | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			14,000
Lease financing receivables
Total allowance for loan losses
Beginning Balance	325,000		339,000
Provision (Reversal) of Credit Losses	203,000		294,000
Charge-Offs	0		0
Recoveries	0		0
Ending Balance	528,000		528,000
Lease financing receivables | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			(105,000)
Retained Strategic Program loans
Total allowance for loan losses
Beginning Balance	7,227,000	6,322,000	6,701,000	6,549,000
Provision (Reversal) of Credit Losses	2,293,000	2,365,000	4,429,000	4,923,000
Charge-Offs	(2,516,000)	(2,560,000)	(5,541,000)	(5,438,000)
Recoveries	252,000	315,000	536,000	408,000
Ending Balance	$ 7,256,000	6,442,000	7,256,000	6,442,000
Retained Strategic Program loans | Impact of ASU 2016-13 adoption
Total allowance for loan losses
Beginning Balance			$ 1,131,000
SBA
Total allowance for loan losses
Beginning Balance		3,064,000		2,739,000
Provision (Reversal) of Credit Losses		374,000		730,000
Charge-Offs		(102,000)		(133,000)
Recoveries		48,000		48,000
Ending Balance		3,384,000		3,384,000
Commercial, non-real estate
Total allowance for loan losses
Beginning Balance		107,000		132,000
Provision (Reversal) of Credit Losses		166,000		140,000
Charge-Offs		0		0
Recoveries		1,000		2,000
Ending Balance		$ 274,000		$ 274,000

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