Other Assets - Bank-Owned Life Insurance and Mortgage Servicing Rights (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($) policy	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($) policy	Dec. 31, 2023 USD ($)
Other Intangible Assets
Noncash exchange of certain BOLI	$ 5,500		$ 185,800
Gain or loss recognized as part of exchange	0		0
Number of policies exchanged | policy		0		0
Unpaid principal amount of consumer loans serviced for others	1,300,000		1,300,000		$ 1,300,000
Contractually specified fees, late charges, and ancillary fees	800	$ 800	2,400	$ 2,600
Amortization of mortgage servicing rights	258	$ 282	755	$ 840
Servicing Contracts
Estimated future amortization expenses for MSRs over the next five years
Under one year	785		785
One to two years	693		693
Two to three years	610		610
Three to four years	536		536
Four to five years	474		474
Details of MSRs
Gross carrying amount	69,807		69,807		69,515
Less: accumulated amortization	64,571		64,571		63,816
Net carrying value	$ 5,236		$ 5,236		$ 5,699