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Loans and Allowance for Loan Losses - Schedule of Amortized Cost of FDM Loans by Loan Portfolio Class (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 12,837	$ 74,421	$ 62,661	$ 84,905
Percentage of Total by Financing Class	0.00%	0.20%	0.10%	0.20%
Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 24	$ 74,293	$ 229	$ 74,588
Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	9,486	118	29,330	10,098
Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	3,241	0	32,851	209
Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	86	10	251	10
Total commercial and industrial
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 5,797		$ 45,706	$ 7,318
Percentage of Total by Financing Class	0.00%		0.20%	0.00%
Total commercial and industrial | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0		$ 0	$ 0
Total commercial and industrial | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	5,711		24,148	7,318
Total commercial and industrial | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0		21,472	0
Total commercial and industrial | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	86		86	0
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 1,766		$ 41,675	$ 7,130
Percentage of Total by Financing Class	0.00%		0.30%	0.00%
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0		$ 0	$ 0
Total commercial and industrial | Commercial, financial and agricultural | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	1,680		20,117	7,130
Total commercial and industrial | Commercial, financial and agricultural | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0		21,472	0
Total commercial and industrial | Commercial, financial and agricultural | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	86		86	0
Total commercial and industrial | Owner-occupied
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 4,031		$ 4,031	$ 188
Percentage of Total by Financing Class	0.10%		0.10%	0.00%
Total commercial and industrial | Owner-occupied | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0		$ 0	$ 0
Total commercial and industrial | Owner-occupied | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	4,031		4,031	188
Total commercial and industrial | Owner-occupied | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0		0	0
Total commercial and industrial | Owner-occupied | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0		0	0
Total commercial real estate
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 2,195	$ 74,269	$ 2,333	$ 76,496
Percentage of Total by Financing Class	0.00%	0.60%	0.00%	0.60%
Total commercial real estate | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0	$ 74,269	$ 0	$ 74,269
Total commercial real estate | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	2,195	0	2,195	2,227
Total commercial real estate | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0	0	0	0
Total commercial real estate | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0	0	138	0
Total commercial real estate | Investment properties
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 2,195	$ 74,269	$ 2,333	$ 76,496
Percentage of Total by Financing Class	0.00%	0.70%	0.00%	0.70%
Total commercial real estate | Investment properties | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0	$ 74,269	$ 0	$ 74,269
Total commercial real estate | Investment properties | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	2,195	0	2,195	2,227
Total commercial real estate | Investment properties | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0	0	0	0
Total commercial real estate | Investment properties | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0	0	138	0
Total consumer
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 4,845	$ 152	$ 14,622	$ 1,091
Percentage of Total by Financing Class	0.10%	0.00%	0.20%	0.00%
Total consumer | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 24	$ 24	$ 229	$ 319
Total consumer | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	1,580	118	2,987	553
Total consumer | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	3,241	0	11,379	209
Total consumer | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0	10	27	10
Total consumer | Consumer mortgages
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 3,241		$ 11,361	$ 331
Percentage of Total by Financing Class	0.10%		0.20%	0.00%
Total consumer | Consumer mortgages | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0		$ 0	$ 122
Total consumer | Consumer mortgages | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0		0	0
Total consumer | Consumer mortgages | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	3,241		11,361	209
Total consumer | Consumer mortgages | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0		0	0
Total consumer | Other consumer loans
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 1,604	$ 152	$ 3,261	$ 760
Percentage of Total by Financing Class	0.20%	0.00%	0.30%	0.10%
Total consumer | Other consumer loans | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 24	$ 24	$ 229	$ 197
Total consumer | Other consumer loans | Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	1,580	118	2,987	553
Total consumer | Other consumer loans | Payment Delay
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	0	0	18	0
Total consumer | Other consumer loans | Interest Rate Reduction and Term Extension
Financing Receivable, Modified [Line Items]
Amortized cost of loans, modified	$ 0	$ 10	$ 27	$ 10

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