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Capital Requirements (Tables) | 3 Months Ended
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Mar. 31, 2018
Regulatory Capital Requirements [Abstract] |
Comparison of Capital of Company and Bank with Minimum Regulatory Guidelines | A comparison of the capital of the Bank at March 31, 2018 and December 31, 2017 with the minimum regulatory guidelines were as follows (dollars in thousands):
| Actual |  | Minimum Capital Requirement |  | Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
| Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
March 31, 2018 |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk-Weighted Assets) | $ | 69,435 |  |  | 13.52 | % |  | $ | 41,075 |  |  | 8.00 | % |  | $ | 51,344 |  |  | 10.00 | %
Tier 1 Capital (to Risk-Weighted Assets) | $ | 64,163 |  |  | 12.50 | % |  | $ | 30,806 |  |  | 6.00 | % |  | $ | 41,075 |  |  | 8.00 | %
Common Equity Tier 1 Capital (to Risk-Weighted Assets) | $ | 64,163 |  |  | 12.50 | % |  | $ | 23,105 |  |  | 4.50 | % |  | $ | 33,373 |  |  | 6.50 | %
Tier 1 Capital (to Average Assets) | $ | 64,163 |  |  | 8.55 | % |  | $ | 30,014 |  |  | 4.00 | % |  | $ | 37,517 |  |  | 5.00 | %
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk-Weighted Assets) | $ | 67,624 |  |  | 13.12 | % |  | $ | 41,239 |  |  | 8.00 | % |  | $ | 51,548 |  |  | 10.00 | %
Tier 1 Capital (to Risk-Weighted Assets) | $ | 62,298 |  |  | 12.09 | % |  | $ | 30,929 |  |  | 6.00 | % |  | $ | 41,239 |  |  | 8.00 | %
Common Equity Tier 1 Capital (to Risk-Weighted Assets) | $ | 62,298 |  |  | 12.09 | % |  | $ | 23,197 |  |  | 4.50 | % |  | $ | 33,506 |  |  | 6.50 | %
Tier 1 Capital (to Average Assets) | $ | 62,298 |  |  | 8.46 | % |  | $ | 29,457 |  |  | 4.00 | % |  | $ | 36,821 |  |  | 5.00 | %

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826 + Details
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