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Regulatory Requirements - Narrative (Details) | Dec. 31, 2021 | Dec. 31, 2020 | Jan. 01, 2019 | Jan. 01, 2016
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Regulatory Requirements [Abstract] |  |  |  |
Common equity Tier 1 capital (to risk-weighted assets), for capital adequacy purposes ratio | 4.50% | 8.00% |  |
Tier 1 capital (to risk-weighted assets), for capital adequacy purposes ratio | 0.06 |  |  |
Total capital (to risk-weighted assets), for capital adequacy purposes ratio | 0.080 |  |  |
Tier 1 capital (core) (to adjusted total assets), for capital adequacy purposes ratio | 0.040 |  |  |
Tier 1 capital (core) (to adjusted total assets), for well capitalized under prompt corrective action provisions ratio | 0.050 |  |  |
Common equity Tier 1 capital (to risk-weighted assets), for well capitalized under prompt corrective action provisions ratio | 6.50% | 8.00% |  |
Tier 1 risk-based capital ratio | 0.080 |  |  |
Total capital (to risk-weighted assets), for well capitalized under prompt corrective action provisions ratio | 0.100 |  |  |
Tier 1 risk-based capital required for capital adequacy to risk-weighted assets, higher risk weight | 2.50% |  | 2.50% |
Capital conservation buffer |  |  |  | 0.625%

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- Definition Tier One Common Capital Required for Capital Adequacy to Risk Weighted Assets + References No definition available. + Details
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- Definition Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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