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Loans and Allowance for Credit Losses - Collateral dependent loans and related ACL (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021
--- | --- | --- | --- | --- | --- | ---
Related allowance for credit losses | $ 37,483 | $ 37,418 | $ 33,192 | $ 32,529 | $ 32,543 | $ 33,222
Collateral-dependent Loans | 1- to 4-family residential loans |  |  |  |  |  |
Amortized cost | 848 |  | 864 |  |  |
Related allowance for credit losses | 176 |  | 193 |  |  |
Residential Real Estate |  |  |  |  |  |
Related allowance for credit losses | 12,499 | $ 11,937 | 8,908 | $ 10,757 | $ 10,634 | $ 11,192
Residential Real Estate | Collateral-dependent Loans |  |  |  |  |  |
Amortized cost | 848 |  | 864 |  |  |
Related allowance for credit losses | $ 176 |  | $ 193 |  |  |

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- Definition Represents the monetary amount of Financing Receivable Recorded Investment, as of the indicated date. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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