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Loans and Allowance for Loan Losses - Amortized Cost of Loans by Loan Portfolio Class (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 12,683	$ 61,339
Percentage of Total by Financing Class	0.00%	0.10%
Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 244	$ 226
Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	4,084	19,357
Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	210
Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	8,145	41,756
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 9,714	$ 59,348
Percentage of Total by Financing Class	0.00%	0.30%
Total commercial and industrial | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 49
Total commercial and industrial | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	1,572	17,789
Total commercial and industrial | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial and industrial | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	8,142	41,510
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 9,516	$ 16,617
Percentage of Total by Financing Class	0.10%	0.10%
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 49
Total commercial and industrial | Commercial, financial and agricultural | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	1,374	16,321
Total commercial and industrial | Commercial, financial and agricultural | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	8,142	247
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 198	$ 42,731
Percentage of Total by Financing Class	0.00%	0.50%
Total commercial and industrial | Owner-occupied | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total commercial and industrial | Owner-occupied | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	198	1,468
Total commercial and industrial | Owner-occupied | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial and industrial | Owner-occupied | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	41,263
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 2,244	$ 1,339
Percentage of Total by Financing Class	0.00%	0.00%
Total commercial real estate | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total commercial real estate | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	2,244	1,339
Total commercial real estate | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 2,244	$ 0
Percentage of Total by Financing Class	0.00%	0.00%
Total commercial real estate | Investment properties | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total commercial real estate | Investment properties | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	2,244	0
Total commercial real estate | Investment properties | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Investment properties | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 1,339
Percentage of Total by Financing Class	0.00%	0.20%
Total commercial real estate | 1-4 family properties | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total commercial real estate | 1-4 family properties | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	1,339
Total commercial real estate | 1-4 family properties | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | 1-4 family properties | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Percentage of Total by Financing Class	0.00%	0.00%
Total commercial real estate | Land and development | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total commercial real estate | Land and development | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total commercial real estate | Land and development | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total commercial real estate | Land and development | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 725	$ 652
Percentage of Total by Financing Class	0.00%	0.00%
Total consumer | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 244	$ 177
Total consumer | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	268	229
Total consumer | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	210
Total consumer | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	3	246
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 333	$ 113
Percentage of Total by Financing Class	0.00%	0.00%
Total consumer | Consumer mortgages | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 123	$ 113
Total consumer | Consumer mortgages | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total consumer | Consumer mortgages | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	210
Total consumer | Consumer mortgages | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 11	$ 103
Percentage of Total by Financing Class	0.00%	0.00%
Total consumer | Home equity | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total consumer | Home equity | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	11	88
Total consumer | Home equity | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Home equity | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	15
Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Percentage of Total by Financing Class	0.00%	0.00%
Total consumer | Credit cards | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0	$ 0
Total consumer | Credit cards | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total consumer | Credit cards | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0	0
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 381	$ 436
Percentage of Total by Financing Class	0.00%	0.00%
Total consumer | Other consumer loans | Interest Rate Reduction
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 121	$ 64
Total consumer | Other consumer loans | Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	257	141
Total consumer | Other consumer loans | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	0
Total consumer | Other consumer loans | Interest Rate Reduction and Term Extension
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	3	$ 231
Total consumer | Credit cards | Payment Delay
Financing Receivable, Credit Quality Indicator [Line Items]
Amortized cost of loans, modified	$ 0

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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
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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