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Regulatory Matters - Additional Information (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
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Commitments and Contingencies Disclosure [Abstract] |  |
Deferred tax regulatory assets | $ 0 | $ 0
Common equity Tier 1 capital conservation buffer | 2.50% |

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- Definition Common equity Tier one capital conservation buffer percentage. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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