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Capital Ratios (Tables) | 9 Months Ended
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Sep. 30, 2021
Capital Ratios |
Summary of Bank's actual capital amounts and ratios | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Minimum Required to be
​ | ​ | Actual | ​ | Well-Capitalized (1)
​ | ​ | Amount |  | Ratio |  | Amount |  | Ratio |
As of September 30, 2021 | ​ | (Dollars in thousands) |
Tier 1 capital (to Average Assets) | ​ | $ | 44,276 |  | 18.33 | % | $ | 20,528 |  | >8.5 | %
As of December 31, 2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tier 1 capital (to Average Assets) | ​ | $ | 44,256 |  | 18.41 | % | $ | 21,636 |  | >8 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + 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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