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Loans and Allowance for Credit Losses - Summary of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	$ (164,794)	$ (183,178)	$ (176,994)	$ (148,878)	$ (139,941)	$ (117,381)
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	5,695		100
Allowance for credit losses	(93)		0
Real Estate \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	3,551
Business Assets \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	2,144		100
Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	(8,754)	(10,066)	(11,051)	(12,200)	(10,831)	(8,894)
Commercial and industrial loans \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	2,144		100
Allowance for credit losses	(93)		0
Commercial and industrial loans \| Real Estate \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	0
Commercial and industrial loans \| Business Assets \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	2,144		100
Real Estate Portfolio Segment \| Residential real estate loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	(12,224)	(13,443)	(12,250)	(15,532)	(14,650)	(13,049)
Real Estate Portfolio Segment \| Residential real estate loans \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	3,551
Allowance for credit losses	0
Real Estate Portfolio Segment \| Residential real estate loans \| Real Estate \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	3,551
Real Estate Portfolio Segment \| Residential real estate loans \| Business Assets \| Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluted for credit losses	0
Real Estate Portfolio Segment \| Commercial real estate loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	(7,300)	(8,110)	(8,456)	(7,319)	(7,503)	(7,441)
Construction, land and land development loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	(5,265)	(4,531)	(3,439)	(6,110)	(6,551)	(6,386)
Unallocated
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0