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Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Jan. 01, 2021	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		$ 2,162	[1]	$ 2,470	[1]	$ 1,476
Reserve for unfunded commitments						33
Total allowance for credit losses						1,509
Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	$ 1,574
Reserve for unfunded commitments	457
Total allowance for credit losses	2,031
Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	3,050
Reserve for unfunded commitments	490
Total allowance for credit losses	3,540
Real Estate Loan
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses						781
Real Estate Loan | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	1,141
Real Estate Loan | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	1,922
Real Estate Loan | Construction and Land
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		44		5		10
Real Estate Loan | Construction and Land | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	16
Real Estate Loan | Construction and Land | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	26
Real Estate Loan | Farmland
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		20		11		2
Real Estate Loan | Farmland | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	9
Real Estate Loan | Farmland | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	11
Real Estate Loan | Single-family Residential
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		1,230		1,357		512
Real Estate Loan | Single-family Residential | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	854
Real Estate Loan | Single-family Residential | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	1,366
Real Estate Loan | Multi-family
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		103		105		39
Real Estate Loan | Multi-family | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	63
Real Estate Loan | Multi-family | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	102
Real Estate Loan | Commercial
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		221		278		218
Real Estate Loan | Commercial | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	199
Real Estate Loan | Commercial | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	417
Commercial and Industrial
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses						115
Commercial and Industrial | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	114
Commercial and Industrial | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	229
Commercial and Industrial | Commercial and Industrial
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		174		115		67
Commercial and Industrial | Commercial and Industrial | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	120
Commercial and Industrial | Commercial and Industrial | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	187
Commercial and Industrial | SBA Guaranty
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		22		30		48
Commercial and Industrial | SBA Guaranty | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	(6)
Commercial and Industrial | SBA Guaranty | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	42
Consumer Loans
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses						580
Consumer Loans | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	319
Consumer Loans | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	899
Consumer Loans | Consumer
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		23		36		11
Consumer Loans | Consumer | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	46
Consumer Loans | Consumer | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	57
Consumer Loans | Automobile
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses		$ 325		$ 533		$ 569
Consumer Loans | Automobile | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	273
Consumer Loans | Automobile | Adjusted balance | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Allowance for loan losses	842
Retained Earnings | Adjustment | ASU 2016-13
RECENT ACCOUNTING PRONOUNCEMENTS
Total allowance for credit losses	2,031
Allowance for credit losses, tax effect	(559)
Allowance for credit losses net of tax	$ 1,472
[1] Effective January 1, 2021, the Company applied ASU 2016-13, Financial Instruments – Credit Losses (“ASC 326”), such that the allowance calculation is based on current expected credit loss methodology (“CECL”). Prior to January 1, 2021, the calculation was based on incurred loss methodology. See Note 4 “Loans and Allowance for Losses on Loans” for details.

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