Loans - Modification to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts		$ 22,432,419	$ 21,891,812
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 6,331	0
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.00%
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts		6,333,349	6,306,980
Commercial Portfolio Segment [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 4,385
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.10%
Construction Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts		$ 2,650,291	$ 2,549,869
Construction Loans [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 1,946
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.10%