Other Assets - Bank-Owned Life Insurance and Mortgage Servicing Rights (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($) policy	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($) policy	Dec. 31, 2023 USD ($)
Other Intangible Assets
Noncash exchange of certain BOLI	$ 115,000		$ 180,300
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	1,600	$ 1,700
Amortization of mortgage servicing rights	234	$ 278	497	$ 558
Servicing Contracts
Estimated future amortization expenses for MSRs over the next five years
Under one year	791		791
One to two years	702		702
Two to three years	621		621
Three to four years	548		548
Four to five years	485		485
Details of MSRs
Gross carrying amount	69,708		69,708		69,515
Less: accumulated amortization	64,313		64,313		63,816
Net carrying value	$ 5,395		$ 5,395		$ 5,699