Loans - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) Loan	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Financing Receivable, Modified [Line Items]
Net deferred costs	$ 43,100	$ 35,100
Accrued interest receivable	39,400	28,200
Loans	$ 10,062,940	8,144,724
New loans | Loan	0
Interest income on nonaccrual loans	$ 500	1,600	$ 1,200
Related Party
Financing Receivable, Modified [Line Items]
Loans	300	400
Loans
Financing Receivable, Modified [Line Items]
Remaining fair value adjustment for loans acquired	$ 174,000	$ 97,700
Percentage of fair value adjustment for loans acquired	4.80%	4.30%
Residential real estate
Financing Receivable, Modified [Line Items]
Loans	$ 2,445,692	$ 1,849,503
Commercial real estate - non-owner occupied
Financing Receivable, Modified [Line Items]
Loans	$ 3,319,890	$ 2,589,774