Leases - 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
Lessee Lease Description [Line Items]
Lessor, Operating Lease Maturity Year			2036
Weighted-average discount rate of operating leases	2.98%		2.98%		2.90%
Weighted average remaining life of operating leases	5 years 2 months 12 days		5 years 2 months 12 days		6 years 1 month 6 days
Minimum rental to be received in future on subleases	$ 1,100,000		$ 1,100,000
Sublease contract maturity year			2028
Operating cash flows paid for operating lease	1,200,000	$ 821,000	$ 2,100,000	$ 1,700,000
Right-of-use lease assets in exchange for operating lease liabilities	693,000	$ 619,000	1,100,000	$ 932,000
Operating right-of-use assets	10,274,000		10,274,000		$ 12,474,000
Operating lease liabilities	$ 11,729,000		11,729,000		$ 14,268,000
Inland Bancorp, Inc.
Lessee Lease Description [Line Items]
Impairment charge related to acquisition			$ 194,000,000