Loans - Modification to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 22,975,658		$ 21,891,812
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 54,939	$ 4,977
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.20%	0.00%
Commercial Real Estate Non-Owner Occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 3,970,141		3,773,028
Commercial Real Estate Non-Owner Occupied | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 54,939
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	1.40%
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts	$ 6,325,658		6,306,980
Commercial Portfolio Segment [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts		$ 3,101
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	$ 2,720,755		$ 2,549,869
Construction Loans [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans, net of unearned discounts		$ 1,876
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage		0.00%