Derivative Financial Instruments - Additional information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge			3 years 2 months 12 days
Credit exposure to settled variation margin in excess of customer related interest rate swap	$ 400,000		$ 400,000		$ 400,000
Notional Amount	2,400,000,000		2,400,000,000		2,400,000,000
Derivative, gain (loss) on derivative, net (less than during the three months ended June 30, 2024)	(100,000)	$ (100,000)	(100,000)	$ (100,000)
Derivative asset (less than as of June 30, 2024)	19,909,000		19,909,000		20,456,000
Derivative liability (less than as of December 31, 2023)	68,827,000		68,827,000		63,075,000
Loan Origination Commitments
Derivative [Line Items]
Notional Amount	19,900,000		19,900,000		10,500,000
Derivative asset (less than as of June 30, 2024)	100,000		100,000		100,000
Derivative liability (less than as of December 31, 2023)	100,000		100,000		100,000
Forward Contracts
Derivative [Line Items]
Notional Amount	13,700,000		13,700,000		9,200,000
Non Cleared Derivative Transactions | Customer Related Interest Rate Swap Derivatives
Derivative [Line Items]
Additional collateral posted	2,200,000		2,200,000		3,000,000.0
Fair value of interest rate swap liabilities that are net in a net liability position	0		0		1,900,000
Restricted Assets | Cleared Derivative Transaction
Derivative [Line Items]
Additional collateral posted	86,300,000		86,300,000		$ 85,900,000
Interest Income | Active Cash Flow Hedges
Derivative [Line Items]
Interest rate swap cash flow hedges amount expected to reclassified from other comprehensive income to income statement in the next twelve months	$ 44,800,000		$ 44,800,000