The following table presents the credit risk grade of loans by origination year as of March 31, 2024: (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 21,273	$ 127,643	$ 118,411	$ 115,888	$ 51,039	$ 41,047
Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		144,136
Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		39,947
Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		638,111
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	(46)	(198)	(54)	(57)		(26)
Doubtful [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(82)
Doubtful [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(59)
Doubtful [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(476)
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,822	19,384	10,328	5,638	1,591	2,167
Commercial Portfolio Segment [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,345
Commercial Portfolio Segment [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		12,777
Commercial Portfolio Segment [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		53,230
Commercial Portfolio Segment [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,822	19,306	10,228	5,638	1,591	2,167
Commercial Portfolio Segment [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,342
Commercial Portfolio Segment [Member] | Pass [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		12,777
Commercial Portfolio Segment [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		53,049
Commercial Portfolio Segment [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		78	100
Commercial Portfolio Segment [Member] | Special Mention [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		3
Commercial Portfolio Segment [Member] | Special Mention [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		181
Commercial Portfolio Segment [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income			(5)	(14)		(26)
Commercial Portfolio Segment [Member] | Doubtful [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(45)
Commercial Portfolio Segment [Member] | Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,769	46,616	49,061	50,114	28,965	20,433
Commercial Portfolio Segment [Member] | Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		44,001
Commercial Portfolio Segment [Member] | Real Estate [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		997
Commercial Portfolio Segment [Member] | Real Estate [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		240,187
Commercial Portfolio Segment [Member] | Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,769	46,616	49,061	48,943	28,651	20,004
Commercial Portfolio Segment [Member] | Real Estate [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		43,524
Commercial Portfolio Segment [Member] | Real Estate [Member] | Pass [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		997
Commercial Portfolio Segment [Member] | Real Estate [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		237,796
Commercial Portfolio Segment [Member] | Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income				1,171	314
Commercial Portfolio Segment [Member] | Real Estate [Member] | Special Mention [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		92
Commercial Portfolio Segment [Member] | Real Estate [Member] | Special Mention [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Commercial Portfolio Segment [Member] | Real Estate [Member] | Special Mention [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,577
Commercial Portfolio Segment [Member] | Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income						429
Commercial Portfolio Segment [Member] | Real Estate [Member] | Substandard [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		385
Commercial Portfolio Segment [Member] | Real Estate [Member] | Substandard [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Commercial Portfolio Segment [Member] | Real Estate [Member] | Substandard [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		814
Commercial Portfolio Segment [Member] | Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Real Estate Investment [Member] | Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,365	12,043	5,990	4,738	2,521	1,799
Real Estate Investment [Member] | Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,739
Real Estate Investment [Member] | Real Estate [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		28,830
Real Estate Investment [Member] | Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,365	12,043	5,990	4,738	2,521	1,799
Real Estate Investment [Member] | Real Estate [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,637
Real Estate Investment [Member] | Real Estate [Member] | Pass [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Real Estate Investment [Member] | Real Estate [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		28,728
Real Estate Investment [Member] | Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Real Estate Investment [Member] | Real Estate [Member] | Special Mention [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		102
Real Estate Investment [Member] | Real Estate [Member] | Special Mention [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		102
Real Estate Investment [Member] | Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Real Estate Investment [Member] | Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Residential Real Estate [Member] | Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,957	29,093	33,986	41,263	13,566	13,700
Residential Real Estate [Member] | Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		83,008
Residential Real Estate [Member] | Real Estate [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		23,617
Residential Real Estate [Member] | Real Estate [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		238,233
Residential Real Estate [Member] | Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,957	29,006	33,986	41,214	13,566	13,662
Residential Real Estate [Member] | Real Estate [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		80,087
Residential Real Estate [Member] | Real Estate [Member] | Pass [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		23,553
Residential Real Estate [Member] | Real Estate [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		235,074
Residential Real Estate [Member] | Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income
Residential Real Estate [Member] | Real Estate [Member] | Special Mention [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		259
Residential Real Estate [Member] | Real Estate [Member] | Special Mention [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		259
Residential Real Estate [Member] | Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		87		49		38
Residential Real Estate [Member] | Real Estate [Member] | Substandard [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		2,662
Residential Real Estate [Member] | Real Estate [Member] | Substandard [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		64
Residential Real Estate [Member] | Real Estate [Member] | Substandard [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		2,900
Residential Real Estate [Member] | Real Estate [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income				(30)
Residential Real Estate [Member] | Real Estate [Member] | Doubtful [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(21)
Residential Real Estate [Member] | Real Estate [Member] | Doubtful [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(51)
Multifamily [Member] | Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	597	5,779	11,483	7,965	2,626	1,081
Multifamily [Member] | Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		5,637
Multifamily [Member] | Real Estate [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		34,571
Multifamily [Member] | Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	597	5,779		7,965	2,626	1,081
Loans and Leases Receivable, Net of Deferred Income			11,483
Multifamily [Member] | Real Estate [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		5,438
Multifamily [Member] | Real Estate [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		34,372
Farmland [Member] | Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	413	1,807	2,222	3,414	776	1,205
Farmland [Member] | Real Estate [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		6,977
Farmland [Member] | Real Estate [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		16,401
Farmland [Member] | Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	413	1,807	2,222	3,414	776	1,205
Farmland [Member] | Real Estate [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		6,793
Farmland [Member] | Real Estate [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		16,217
Farmland [Member] | Real Estate [Member] | Special Mention [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		184
Farmland [Member] | Real Estate [Member] | Special Mention [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		184
Farmland [Member] | Real Estate [Member] | Substandard [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		199
Farmland [Member] | Real Estate [Member] | Substandard [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		199
Agriculture [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	168	565	518	347	127	67
Agriculture [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		667
Agriculture [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,217
Agriculture [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		3,508
Agriculture [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	168	565	518	347	127	67
Agriculture [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		649
Agriculture [Member] | Pass [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,217
Agriculture [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		3,490
Agriculture [Member] | Substandard [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		18
Agriculture [Member] | Substandard [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		18
Agriculture [Member] | Doubtful [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(59)
Agriculture [Member] | Doubtful [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(59)
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,182	12,356	4,823	2,409	867	595
Consumer Loan [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		762
Consumer Loan [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,339
Consumer Loan [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		23,151
Consumer Loan [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,176	12,352	4,822	2,408	864	594
Consumer Loan [Member] | Pass [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		761
Consumer Loan [Member] | Pass [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,339
Consumer Loan [Member] | Pass [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		23,140
Consumer Loan [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income			1
Consumer Loan [Member] | Special Mention [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1
Consumer Loan [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6	4		1	$ 3	$ 1
Consumer Loan [Member] | Substandard [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1
Consumer Loan [Member] | Substandard [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		10
Consumer Loan [Member] | Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ (46)	(198)	$ (49)	$ (13)
Consumer Loan [Member] | Doubtful [Member] | Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(2)
Consumer Loan [Member] | Doubtful [Member] | Revolving [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		(59)
Consumer Loan [Member] | Doubtful [Member] | Total [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		$ (321)