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Regulatory Matters (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval | $ 96.1 |  |
Capital Ratios, Basel III, Capital Conservation Buffer | 0.625% |  |
Capital Ratios, Basel III, Capital Conservation Buffer, Year Two | 1.25% |  |
Capital Ratios, Basel III, Capital Conservation Buffer, Year Three | 1.875% |  |
Capital Ratios, Basel III, Capital Conservation Buffer, Year Four | 2.50% |  |
Regulatory buffer percentage | 1.875% |  |
Pennsylvania [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Common Equity Tier 1 Risk-based Capital Ratio: Ratio | 10.00% |  |
Tier One Leverage Capital to Average Assets | 6.00% |  |
Farmers & Merchants Trust Company [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Common Equity Tier 1 Risk-based Capital Ratio: Ratio | 13.80% | 13.93% | [1]
Tier One Leverage Capital to Average Assets | 9.68% | 9.64% | [2]
Common Equity Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio | 6.50% | 6.50% | [1]
Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio | 8.00% | 8.00% | [3]
Tier 1 Leverage Ratio: Well Capitalized Minimum: Ratio | 5.00% | 5.00% | [2]
Total Risk-based Capital Ratio: Well Capitalized Minimum: Ratio | 10.00% | 10.00% | [4]
Capital ratios, capital conservation buffer | 7.06% |  |
Total Risk-based Capital Ratio: Ratio | 15.06% | 15.19% | [4]
[1] | Common equity Tier 1 capital / total risk-weighted assets
[2] | Tier 1 capital / average quarterly assets
[3] | Tier 1 capital / total risk-weighted assets
[4] | Total risk-based capital / total risk-weighted assets

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- Definition Tangible Capital Required For Well Capitalized To Tangible Assets + References No definition available. + Details
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