Commitments and Contingencies - Narrative (Details) $ in Thousands	Sep. 30, 2024 USD ($) deposit_relationship	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Other Commitments [Line Items]
Allowance for credit loss	$ 37,583	$ 35,406	$ 34,431	$ 34,028	$ 33,984	$ 28,389
Real estate related loans (in percent)	86.42%		92.30%
Number of deposits | deposit_relationship	101
Deposits over five million, total	$ 5,000
Deposits over five million, amount	$ 2,100,000
Percentage of deposits over five million deposits (in percent)	60.58%
Largest single deposit	$ 275,000
Percentage of largest single deposit to total deposits (in percent)	8.09%
Uninsured amount	$ 39,000		$ 22,300
Unfunded Loan Commitment
Other Commitments [Line Items]
Allowance for credit loss	$ 947	$ 1,147	$ 1,247	$ 1,547	$ 1,547	$ 125