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Derivative Financial Instruments and Hedging Activities - Narrative (Details) | 1 Months Ended | 3 Months Ended
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Dec. 31, 2023 | Sep. 30, 2022 | Mar. 31, 2024 | Jun. 30, 2023
Derivative [Line Items] |  |  |  |
Change in interest rate |  | 0.0050 |  |
Minimum |  |  |  |
Derivative [Line Items] |  |  |  |
Loans held-for-sale, period of sale |  |  | 5 days |
Minimum Hedge Coverage Ratio | 95.00% | 25.00% |  | 60.00%
Minimum | Forward loans IRLCs |  |  |  |
Derivative [Line Items] |  |  |  |
Loan commitment, term |  |  | 5 days |
Loan commitment, average term |  |  | 40 days |
Loan Commitment to Correspondents |  |  | 5 days |
Maximum |  |  |  |
Derivative [Line Items] |  |  |  |
Loans held-for-sale, period of sale |  |  | 30 days |
Minimum Hedge Coverage Ratio | 105.00% | 30.00% |  |
Maximum | Forward loans IRLCs |  |  |  |
Derivative [Line Items] |  |  |  |
Loan commitment, term |  |  | 75 days |
Loan commitment, average term |  |  | 60 days |
Loan Commitment to Correspondents |  |  | 30 days |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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