Capital Requirements (Capital Amounts and Ratios) (Details)	Mar. 31, 2023	Dec. 31, 2022
Capital Requirements
CET 1 ratio	0.2043	0.2021
Total Capital (to Risk Weighted Assets), Actual Ratio (as a percent)	0.2260	0.2222
Tier 1 capital (to Risk Weighted Assets), Actual Ratio (as a percent)	0.2137	0.2104
Tier 1 capital (to Average Assets), Actual Ratio (as a percent)	0.1561	0.1459

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- Definition

Ratio of total risk-based capital to risk-weighted assets 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 1
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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- Definition

Ratio of Common Equity Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.

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- Definition

Ratio of Tier 1 capital to average assets as defined by regulatory framework.

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- Definition

Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.

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