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Leases - Additional Information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Lessee, Lease, Description [Line Items] |  |  |
Lessor, Operating Lease Maturity Year | 2036 |  |
Weighted average remaining life of operating leases | 5 years | 6 years 1 month 6 days |
Weighted-average discount rate of operating leases | 3.19% | 2.90% |
Operating cash flows paid for operating lease | $ 4,000,000 | $ 4,100,000 |
Termination payments | 228,000 | 471,000 |
Gain on termination | 67,000 | 838,000 |
Right-of-use lease assets in exchange for operating lease liabilities | 2,300,000 | 4,800,000 | $ 3,000,000
Operating right-of-use assets | 9,797,000 | 12,474,000 |
Minimum rental to be received in future on subleases | $ 1,400,000 |  |
Sublease contract maturity year | 2030 |  |
Inland Bancorp, Inc. |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating right-of-use assets |  | 3,800,000 |
Impairment charge related to acquisition | $ 194,000,000 | $ 395,000,000 | $ 0

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482130/360-10-45-4 + Details
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- Definition Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-6A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-5 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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