Purchased Loans - Impact of Modifications Classified as Restructured Loans (Details) - Purchased loans $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021 USD ($) loan	Sep. 30, 2022 USD ($) loan	Sep. 30, 2021 USD ($) loan
Restructured loans
Number of Loans \| loan	1		3
Pre- Modification Amortized Cost	$ 164		$ 1,161
Post- Modification Amortized Cost	$ 164		$ 1,161
Real estate – 1-4 family mortgage: \| Land development
Restructured loans
Number of Loans \| loan		3
Pre- Modification Amortized Cost		$ 98
Post- Modification Amortized Cost		$ 94
Real estate – 1-4 family mortgage: \| Primary
Restructured loans
Number of Loans \| loan	1		2
Pre- Modification Amortized Cost	$ 164		$ 1,026
Post- Modification Amortized Cost	$ 164		$ 1,026
Commercial, financial, agricultural
Restructured loans
Number of Loans \| loan			1
Pre- Modification Amortized Cost			$ 135
Post- Modification Amortized Cost			$ 135

Troubled Debt Restructuring Financing Receivable Modifications [Abstract]

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- Definition

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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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

+ References

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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