Allowance for Loan Losses - Changes in the Allowance for Loan Losses (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021		Dec. 31, 2020
Allowance for loan losses:
Beginning Balance		$ 12,777		$ 8,669
Charge-offs		(1,024)		(700)
Recoveries		158		101
Provisions (credits)		1,022		4,707
Ending balance		12,935		12,777
Ending balance: related to loans individually evaluated for impairment		1,875		2,781
Ending balance: related to loans collectively evaluated for impairment		11,060		9,996
Total Loans Receivable		833,739		826,733
Ending balance: individually evaluated for impairment		11,357		22,830
Ending balance: collectively evaluated for impairment		822,382		803,903
Paycheck Protection Program [Member]
Allowance for loan losses:
Beginning Balance		0		0
Charge-offs		0		0
Recoveries		0		0
Provisions (credits)		0		0
Ending balance		0		0
Ending balance: related to loans individually evaluated for impairment		0		0
Ending balance: related to loans collectively evaluated for impairment		0		0
Total Loans Receivable		19,338		60,643
Ending balance: individually evaluated for impairment		0		0
Ending balance: collectively evaluated for impairment		19,338		60,643
Unallocated [Member]
Allowance for loan losses:
Beginning Balance	[1]	545	[2]	272
Charge-offs		0	[2]	0	[1]
Recoveries		0	[2]	0	[1]
Provisions (credits)		438	[2]	273	[1]
Ending balance	[2]	983		545	[1]
Ending balance: related to loans individually evaluated for impairment		0	[2]	0	[1]
Ending balance: related to loans collectively evaluated for impairment		983	[2]	545	[1]
Total Loans Receivable	[2]	513
Ending balance: individually evaluated for impairment	[2]	0
Ending balance: collectively evaluated for impairment	[2]	513
Residential Mortgage Loans [Member]
Allowance for loan losses:
Total Loans Receivable		247,276		235,392
Residential Mortgage Loans [Member] | 1-4 Family First Lien Residential Mortgages [Member]
Allowance for loan losses:
Beginning Balance		931		580
Charge-offs		(20)		(125)
Recoveries		0		2
Provisions (credits)		(39)		474
Ending balance		872		931
Ending balance: related to loans individually evaluated for impairment		90		205
Ending balance: related to loans collectively evaluated for impairment		782		726
Total Loans Receivable		240,434		227,185
Ending balance: individually evaluated for impairment		1,205		1,847
Ending balance: collectively evaluated for impairment		239,229		225,338
Residential Mortgage Loans [Member] | Residential Construction Mortgage [Member]
Allowance for loan losses:
Beginning Balance		0		0
Charge-offs		0		0
Recoveries		0		0
Provisions (credits)		0		0
Ending balance		0		0
Ending balance: related to loans individually evaluated for impairment		0		0
Ending balance: related to loans collectively evaluated for impairment		0		0
Total Loans Receivable		6,329		6,681
Ending balance: individually evaluated for impairment		0		0
Ending balance: collectively evaluated for impairment		6,329		6,681
Commercial Loans [Member]
Allowance for loan losses:
Total Loans Receivable		444,618		481,812
Commercial Loans [Member] | Real Estate [Member]
Allowance for loan losses:
Beginning Balance		4,776		4,010
Charge-offs		(7)		0
Recoveries		0		0
Provisions (credits)		539		766
Ending balance		5,308		4,776
Ending balance: related to loans individually evaluated for impairment		300		231
Ending balance: related to loans collectively evaluated for impairment		5,008		4,545
Total Loans Receivable		288,450		286,271
Ending balance: individually evaluated for impairment		7,158		12,782
Ending balance: collectively evaluated for impairment		281,292		273,489
Commercial Loans [Member] | Lines of Credit [Member]
Allowance for loan losses:
Beginning Balance		1,670		1,195
Charge-offs		(50)		(101)
Recoveries		69		4
Provisions (credits)		(754)		572
Ending balance		935		1,670
Ending balance: related to loans individually evaluated for impairment		53		925
Ending balance: related to loans collectively evaluated for impairment		882		745
Total Loans Receivable		61,884		49,103
Ending balance: individually evaluated for impairment		153		925
Ending balance: collectively evaluated for impairment		61,731		48,178
Commercial Loans [Member] | Other Commercial and Industrial [Member]
Allowance for loan losses:
Beginning Balance		2,992		1,645
Charge-offs		(707)		(121)
Recoveries		1		0
Provisions (credits)		476		1,468
Ending balance		2,762		2,992
Ending balance: related to loans individually evaluated for impairment		1,318		1,278
Ending balance: related to loans collectively evaluated for impairment		1,444		1,714
Total Loans Receivable		69,135		78,629
Ending balance: individually evaluated for impairment		2,209		6,978
Ending balance: collectively evaluated for impairment		66,926		71,651
Commercial Loans [Member] | Paycheck Protection Program [Member]
Allowance for loan losses:
Total Loans Receivable				60,643
Commercial Loans [Member] | Tax Exempt Loans [Member]
Allowance for loan losses:
Beginning Balance		1		1
Charge-offs		0		0
Recoveries		0		0
Provisions (credits)		2		0
Ending balance		3		1
Ending balance: related to loans individually evaluated for impairment		0		0
Ending balance: related to loans collectively evaluated for impairment		3		1
Total Loans Receivable		5,811		7,166
Ending balance: individually evaluated for impairment		0		0
Ending balance: collectively evaluated for impairment		5,811		7,166
Consumer Loans [Member]
Allowance for loan losses:
Total Loans Receivable		141,845		109,529
Consumer Loans [Member] | Home Equity and Junior Liens [Member]
Allowance for loan losses:
Beginning Balance		739		553
Charge-offs		0		(28)
Recoveries		0		29
Provisions (credits)		35		185
Ending balance		774		739
Ending balance: related to loans individually evaluated for impairment		114		142
Ending balance: related to loans collectively evaluated for impairment		660		597
Total Loans Receivable		31,737		38,624
Ending balance: individually evaluated for impairment		632		217
Ending balance: collectively evaluated for impairment		31,105		38,407
Consumer Loans [Member] | Other Consumer [Member]
Allowance for loan losses:
Beginning Balance		1,123		413
Charge-offs		(240)		(325)
Recoveries		88		66
Provisions (credits)		326		969
Ending balance		1,297		1,123
Ending balance: related to loans individually evaluated for impairment		0		0
Ending balance: related to loans collectively evaluated for impairment		1,297		1,123
Total Loans Receivable		110,108		70,905
Ending balance: individually evaluated for impairment		0		81
Ending balance: collectively evaluated for impairment		$ 110,108		$ 70,824

[1] The ending balance of the loans receivable for the unallocated portion of the allowance includes loans held-for-sale.  At December 31, 2020, the Bank had loans held-for-sale with a principal balance of $1.5 million. These loans were still part of the portfolio as of December 31, 2020.  Based on ASC 948, Mortgage Banking, loans shall be classified as held-for-sale once a decision has been made to sell the loans and shall be transferred to the held-for-sale category at lower of cost or fair value.

[2] The ending balance of the loans receivable for the unallocated portion of the allowance includes loans held-for-sale.  At December 31, 2021, the Bank had loans held-for-sale with a principal balance of $513,000. These loans were still part of the portfolio as of December 31, 2021.  Based on ASC 948, Mortgage Banking, loans shall be classified as held-for-sale once a decision has been made to sell the loans and shall be transferred to the held-for-sale category at lower of cost or fair value.