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Regulatory matters - Schedule of Bank's Capital Amounts and Ratios (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Consolidated |  |
Common equity Tier 1 capital to risk-weighted assets |  |
Common equity Tier 1 capital to risk-weighted assets, Actual Amount | $ 221,024 | $ 205,222
Common equity Tier 1 capital to risk-weighted assets, Actual Ratio | 11.95% | 11.85%
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 83,241 | $ 77,930
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 4.50% | 4.50%
Tier 1 capital to risk-weighted assets |  |
Tier 1 capital to risk-weighted assets, Actual Amount | $ 221,024 | $ 205,222
Tier 1 capital to risk-weighted assets, Actual Ratio | 11.95% | 11.85%
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 110,988 | $ 103,906
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 6.00% | 6.00%
Total capital to risk-weighted assets |  |
Total capital to risk-weighted assets, Actual Amount | $ 242,403 | $ 224,182
Total capital to risk-weighted assets, Actual Ratio | 13.10% | 12.95%
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 147,984 | $ 138,542
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 8.00% | 8.00%
Tier 1 capital to average assets |  |
Tier 1 capital to average assets, Actual Amount | $ 221,024 | $ 205,222
Tier 1 capital to average assets, Actual Ratio | 10.03% | 9.94%
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Amount | $ 88,119 | $ 82,564
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Ratio | 4.00% | 4.00%
Peoples Bank |  |
Common equity Tier 1 capital to risk-weighted assets |  |
Common equity Tier 1 capital to risk-weighted assets, Actual Amount | $ 215,027 | $ 199,450
Common equity Tier 1 capital to risk-weighted assets, Actual Ratio | 11.64% | 11.53%
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 83,144 | $ 77,843
Common equity Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 4.50% | 4.50%
Common equity Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 120,097 | $ 112,440
Common equity Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Ratio | 6.50% | 6.50%
Tier 1 capital to risk-weighted assets |  |
Tier 1 capital to risk-weighted assets, Actual Amount | $ 215,027 | $ 199,450
Tier 1 capital to risk-weighted assets, Actual Ratio | 11.64% | 11.53%
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 110,859 | $ 103,791
Tier 1 capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 6.00% | 6.00%
Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 147,811 | $ 138,388
Tier 1 capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Ratio | 8.00% | 8.00%
Total capital to risk-weighted assets |  |
Total capital to risk-weighted assets, Actual Amount | $ 236,406 | $ 218,410
Total capital to risk-weighted assets, Actual Ratio | 12.80% | 12.63%
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Amount | $ 147,811 | $ 138,388
Total capital to risk-weighted assets, Minimum For Capital Adequacy Purposes Ratio | 8.00% | 8.00%
Total capital to risk-weighted assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 184,764 | $ 172,985
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 |  |
Tier 1 capital to average assets, Actual Amount | $ 215,027 | $ 199,450
Tier 1 capital to average assets, Actual Ratio | 9.78% | 9.68%
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Amount | $ 87,969 | $ 82,406
Tier 1 capital to average assets, Minimum For Capital Adequacy Purposes Ratio | 4.00% | 4.00%
Tier 1 capital to average assets, Minimum to be Well Capitalized under Prompt Corrective Action Provisions Amount | $ 109,962 | $ 103,008
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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