Current Accounting Developments - Transition Impact on Allowance for Credit Losses - General Information (Details) - USD ($) $ in Thousands		9 Months Ended
	Apr. 01, 2022	Sep. 30, 2022	Jun. 30, 2022	Jan. 01, 2022	Dec. 31, 2021	Sep. 30, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans and leases		$ 23,790	$ 22,802			$ 23,790
Retained earnings		239,496			$ 234,410
Investment securities available for sale		1,069,434
Available for Sale Security, Reclassification to Held for Sale	$ 162,100
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Writeoff	$ 20
Amount of interest reversed		100
Other Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accrued interest receivable		4,700
Cumulative Effect, Period of Adoption, Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans and leases					$ 9,454
Available-for-Sale Securities [Member] | Other Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accrued interest receivable		8,300
Held-to-Maturity Securities [Member] | Other Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accrued interest receivable		$ 500
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans and leases				$ 9,500
Off balance sheet credit loss				900
Retained earnings				7,300
Investment securities available for sale				$ 0