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Regulatory matters - Schedule of Bank's Capital Amounts and Ratios (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Consolidated [Member] |  |
Schedule of Capitalization [Line Items] |  |
Common equity Tier 1 capital to risk-weighted assets, Actual Amount | $ 185,365 |
Tier 1 capital to risk-weighted assets, Actual Amount | 185,365 | $ 178,061
Total capital to risk-weighted assets, Actual Amount | 198,340 | 188,457
Tier 1 capital to average assets, Actual Amount | $ 185,365 | $ 178,061
Common equity Tier 1 capital to risk-weighted assets, Actual Ratio | 13.52% |
Tier 1 capital to risk-weighted assets, Actual Ratio | 13.52% | 14.75%
Total capital to risk-weighted assets, Actual Ratio | 14.47% | 15.61%
Tier 1 capital to average assets, Actual Ratio | 10.80% | 10.76%
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 61,675 |
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | 82,233 | $ 48,276
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | 109,644 | 96,552
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Amount | $ 68,638 | $ 66,168
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 4.50% |
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 6.00% | 4.00%
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 8.00% | 8.00%
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Ratio | 4.00% | 4.00%
Peoples Bank [Member] |  |
Schedule of Capitalization [Line Items] |  |
Common equity Tier 1 capital to risk-weighted assets, Actual Amount | $ 179,362 |
Tier 1 capital to risk-weighted assets, Actual Amount | 179,362 | $ 171,984
Total capital to risk-weighted assets, Actual Amount | 192,337 | 182,380
Tier 1 capital to average assets, Actual Amount | $ 179,362 | $ 171,984
Common equity Tier 1 capital to risk-weighted assets, Actual Ratio | 13.11% |
Tier 1 capital to risk-weighted assets, Actual Ratio | 13.11% | 14.28%
Total capital to risk-weighted assets, Actual Ratio | 14.05% | 15.15%
Tier 1 capital to average assets, Actual Ratio | 10.48% | 10.42%
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 61,583 |
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | 82,111 | $ 48,165
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | 109,481 | 96,330
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Amount | $ 68,474 | $ 65,993
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 4.50% |
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 6.00% | 4.00%
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 8.00% | 8.00%
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Ratio | 4.00% | 4.00%
Common equity Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 88,954 |
Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | 109,481 | $ 72,247
Total capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | 136,852 | 120,412
Tier 1 capital to average assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 85,592 | $ 82,492
Common equity Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Ratio | 6.50% |
Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Ratio | 8.00% | 6.00%
Total capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Ratio | 10.00% | 10.00%
Tier 1 capital to average assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Ratio | 5.00% | 5.00%

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