Loans and Allowance for Credit Losses - Period-End Balance Of Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination: Interest Rate Modification and Term Extension	$ 30,702	$ 31,353
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination: Interest Rate Modification and Term Extension	30,617	30,617
Real Estate \| Other commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination: Interest Rate Modification and Term Extension	$ 30,617	$ 30,617
Percent of Total Class of Loans	0.40%	0.40%
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination: Interest Rate Modification and Term Extension	$ 85	$ 736
Commercial \| Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination: Interest Rate Modification and Term Extension	$ 85	$ 736
Percent of Total Class of Loans	0.00%	0.03%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

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