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Regulatory Capital (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Regulatory Capital [Line Items] |  |
Tier 1 capital to risk-weighted assets Actual Amount (in dollars) | $ 89.9 | $ 86.3
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes (in dollars) | 48.2 | 41.2
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) | 64.3 | 54.9
Total capital to risk-weighted assets Actual (in dollars) | 97.9 | 93.8
Total capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes (in dollars) | 64.3 | 54.9
Total capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) | 80.3 | 68.7
Tier 1 capital to adjusted average assets Actual (in dollars) | 89.9 | 86.3
Tier 1 capital to adjusted average assets Minimum Required For Capital Adequacy Purposes (in dollars) | 42.9 | 36.7
Tier 1 capital to adjusted average assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) | $ 53.6 | $ 45.8
Tier 1 capital to risk-weighted assets Actual Ratio | 11.20% | 12.60%
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes | 6.00% | 6.00%
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations | 8.00% | 8.00%
Total capital to risk-weighted assets Actual | 12.20% | 13.70%
Total capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes | 8.00% | 8.00%
Total capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations | 10.00% | 10.00%
Tier 1 capital to adjusted average assets Actual | 8.40% | 9.40%
Tier 1 capital to adjusted average assets Minimum Required For Capital Adequacy Purposes | 4.00% | 4.00%
Tier 1 capital to adjusted average assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations | 5.00% | 5.00%
Parent Company [Member] |  |
Regulatory Capital [Line Items] |  |
Tier 1 capital to risk-weighted assets Actual Amount (in dollars) | $ 92.8 | $ 88.4
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes (in dollars) | 48.2 | 41.2
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) |  |
Total capital to risk-weighted assets Actual (in dollars) | 100.8 | 96.0
Total capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes (in dollars) | 64.2 | 55.0
Total capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) |  |
Tier 1 capital to adjusted average assets Actual (in dollars) | 92.8 | 88.4
Tier 1 capital to adjusted average assets Minimum Required For Capital Adequacy Purposes (in dollars) | $ 43.2 | 36.8
Tier 1 capital to adjusted average assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) |  |
Tier 1 capital to risk-weighted assets Actual Ratio | 11.60% | 12.90%
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes | 6.00% | 6.00%
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations |  |
Total capital to risk-weighted assets Actual | 12.60% | 14.00%
Total capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes | 8.00% | 8.00%
Total capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations |  |
Tier 1 capital to adjusted average assets Actual | 8.60% | 9.60%
Tier 1 capital to adjusted average assets Minimum Required For Capital Adequacy Purposes | 4.00% | 4.00%
Tier 1 capital to adjusted average assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations |  |
Common Stock [Member] | Peoples Bank SB [Member] |  |
Regulatory Capital [Line Items] |  |
Tier 1 capital to risk-weighted assets Actual Amount (in dollars) | $ 89.9 | $ 86.3
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes (in dollars) | 36.2 | 30.9
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) | $ 52.2 | $ 44.6
Tier 1 capital to risk-weighted assets Actual Ratio | 11.20% | 12.60%
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes | 4.50% | 4.50%
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations | 6.50% | 6.50%
Common Stock [Member] | Parent Company [Member] |  |
Regulatory Capital [Line Items] |  |
Tier 1 capital to risk-weighted assets Actual Amount (in dollars) | $ 92.8 | $ 88.4
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes (in dollars) | $ 36.1 | 30.9
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations (in dollars) |  |
Tier 1 capital to risk-weighted assets Actual Ratio | 11.60% | 12.90%
Tier 1 capital to risk-weighted assets Minimum Required For Capital Adequacy Purposes | 4.50% | 4.50%
Tier 1 capital to risk-weighted assets Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations |  |

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- Definition The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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