Fair Value Measurements - Schedule of quantitative information about Level 3 fair value measurements (Details) $ in Thousands	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value
Loans evaluated individually, net of related allowance	$ 12,930	$ 15,647
Fair Value, Nonrecurring \| Loans evaluated individually, net of related allowance
Fair Value
Loans evaluated individually, net of related allowance	5,806	5,345
Fair Value, Nonrecurring \| OREO and other repossessed assets with subsequent impairment
Fair Value
OREO and other repossessed assets with subsequent impairment	639
Fair Value, Nonrecurring \| Bank property held for sale with impairment
Fair Value
Bank property held for sale with impairment	7,923	7,923
Fair Value, Nonrecurring \| Level 3 Inputs \| Loans evaluated individually, net of related allowance
Fair Value
Loans evaluated individually, net of related allowance	5,806	5,345
Fair Value, Nonrecurring \| Level 3 Inputs \| OREO and other repossessed assets with subsequent impairment
Fair Value
OREO and other repossessed assets with subsequent impairment	639
Fair Value, Nonrecurring \| Level 3 Inputs \| Bank property held for sale with impairment
Fair Value
Bank property held for sale with impairment	7,923	7,923
Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| Loans evaluated individually, net of related allowance
Fair Value
Loans evaluated individually, net of related allowance	5,806	5,345
Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| OREO and other repossessed assets with subsequent impairment
Fair Value
OREO and other repossessed assets with subsequent impairment	639
Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment
Fair Value
Bank property held for sale with impairment	$ 7,923	$ 7,923
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| Loans evaluated individually, net of related allowance \| Minimum
Range (Weighted Average)
Loans evaluated individually, net of related allowance	(0.208)	(0.227)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| Loans evaluated individually, net of related allowance \| Maximum
Range (Weighted Average)
Loans evaluated individually, net of related allowance	(1.000)	(1.000)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| Loans evaluated individually, net of related allowance \| Weighted Average
Range (Weighted Average)
Loans evaluated individually, net of related allowance	(0.355)	(0.457)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| OREO and other repossessed assets with subsequent impairment \| Maximum
Range (Weighted Average)
OREO and other repossessed assets with subsequent impairment	(0.136)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| OREO and other repossessed assets with subsequent impairment \| Weighted Average
Range (Weighted Average)
OREO and other repossessed assets with subsequent impairment	(0.136)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment \| Minimum
Range (Weighted Average)
Bank property held for sale with impairment	(0.007)	(0.007)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment \| Maximum
Range (Weighted Average)
Bank property held for sale with impairment	(0.701)	(0.701)
Measurement Input, Comparability Adjustment \| Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment \| Weighted Average
Range (Weighted Average)
Bank property held for sale with impairment	(0.351)	(0.351)

The fair value of bank property held for sale.

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- Definition

Value of input used to measure alternative investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

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Value of input used to measure long-term debt.

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Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

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Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5162-111524

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-Publisher FASB
-Name Accounting Standards Codification
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