| PublishDate | 2020-01 | http://fasb.org/us-gaap/role/tin/value |
| Positive_XBRL_Value | Gain | http://fasb.org/us-gaap/role/tin/value |
| Negative_XBRL_Value | Loss | http://fasb.org/us-gaap/role/tin/value |
| SourceName | Reference Rate Reform:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2021 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2020-03 | http://fasb.org/srt/role/changeNote/changeNote |
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| SourceName | Improvements-Financial Instruments | http://fasb.org/srt/role/changeNote/changeNote |
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| ChangeDate | 2019-04 | http://fasb.org/srt/role/changeNote/changeNote |
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| PreviousDocumentation | Amount before tax and reclassification adjustments of unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification. | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2019-04 | http://fasb.org/srt/role/changeNote/changeNote |
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 220 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 10 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 45 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 11 | http://www.xbrl.org/2009/role/commonPracticeRef |
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| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
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| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
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| Subparagraph | (c) | http://www.xbrl.org/2003/role/disclosureRef |
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