Loans and Allowance for Credit Losses - Summary of Purchased Credit Deteriorated (PCD) Loans (Details) - USD ($) $ in Thousands		9 Months Ended
Feb. 14, 2022	Sep. 30, 2023
Delta Acquisition [Member]
Summary Of Purchased Credit Deteriorated Loans [Line Items]
Fair value of PCD loans	$ 18,796
PCD allowance for credit losses at acquisition	(863)
Non-credit discount/(premium) at acquisition	(523)
Fair value of purchased credit deteriorated loans at acquisition	$ 17,410
Blackhawk Acquisition [Member[
Summary Of Purchased Credit Deteriorated Loans [Line Items]
Fair value of PCD loans		$ 115,250
PCD allowance for credit losses at acquisition		(3,791)
Non-credit discount/(premium) at acquisition		(5,476)
Fair value of purchased credit deteriorated loans at acquisition		$ 105,983

Summary of purchased credit deteriorated loans.

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- Definition

Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 19
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-19

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- Definition

Amount at par value of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 19
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-19

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- Definition

Amount at purchase price of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 19
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-19

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- Definition

Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 19
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-19

+ Details

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