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Loans and Allowance for Loan Losses - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) contract	Mar. 31, 2021 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | contract	5	3
Total Modifications	$ 229	$ 148
1-4 Family Residential Real Estate Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | contract	3	2
Total Modifications	$ 211	$ 130
Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | contract	1	1
Total Modifications	$ 13	$ 18
Loans to individuals
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | contract	1
Total Modifications	$ 5
Extended Amortization Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Extended Amortization Period | 1-4 Family Residential Real Estate Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Extended Amortization Period | Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Extended Amortization Period | Loans to individuals
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Interest Rate Reduction | 1-4 Family Residential Real Estate Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Interest Rate Reduction | Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Interest Rate Reduction | Loans to individuals
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0
Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	229	148
Combination | 1-4 Family Residential Real Estate Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	211	130
Combination | Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	13	$ 18
Combination | Loans to individuals
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	$ 5

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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