Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount conveyed to unrelated parties of contract to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Loans and Leases - Narrative (Details) - USD ($)	3 Months Ended
Loans and Leases - Narrative (Details) - USD ($)	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable, net of deferred income	$ 6,579,086,000	$ 6,239,804,000	$ 6,567,214,000
Amount of accrued interest receivable excluded from amortized cost, modified	24,000	26,000
Servicing Rights [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Sold servicing rights	(3,466,000)	$ 0
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable, net of deferred income	0
Minimum
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of loan relationship balance, loans reviewed annually	1,000,000
Maximum
Financing Receivable, Credit Quality Indicator [Line Items]
Amount of loan relationship balance, loans reviewed on a performance basis	$ 1,000,000