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Other Real Estate Owned (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Repossessed Assets [Abstract] |  |  |  |
Balance at beginning of year | $ 14.4 | $ 13.4 | $ 16.5 | $ 12.7
Additions | 3.6 | 1.7 | 3.7 | 2.5
Write-down of OREO | (2.1) | (0.7) | (4.2) | (0.8)
Dispositions | (9.2) | 0.0 | (9.3) | 0.0
Balance at end of year | $ 6.7 | $ 14.4 | $ 6.7 | $ 14.4

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- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11 + Details
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