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Loans and Allowance for Credit Losses - Residential Real Estate Foreclosures and Purchased Credit Deteriorated Loans (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2019
Loans and Allowance for Credit Losses |  |  |  |  |  |
Foreclosed residential real estate properties physical possession | $ 695,000 | $ 563,000 |  | $ 695,000 | $ 563,000 |
Residential mortgage loans and home equity loans formal foreclosure proceedings in process | 610,000 | 435,000 |  | 610,000 | 435,000 |
PCI loans |  | $ 21,800,000 |  |  | $ 21,800,000 |
ACL |  |  |  | 434,000 |  |
PCD loans receivable, net of ACL |  |  |  | 16,300,000 |  |
ALLL or ACL by a charge to the income statement related to PCI or PCD loans | 0 |  | $ 0 | 0 |  | $ 0
ACL reversed | $ 209,000,000 |  | $ 0 | $ 209,000,000 |  | $ 0

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- Definition Represents the monetary amount of Foreclosed residential real estate properties physical possession, as of the indicated date. + References No definition available. + Details
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- Definition Represents the monetary amount of Residential mortgage loans and home equity loans formal foreclosure proceedings in process, as of the indicated date. + References No definition available. + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
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- Definition Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447 + Details
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- Definition Amount at par value of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447 + Details
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- Definition Amount at purchase price of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447 + Details
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