Capital Ratios (Tables)

9 Months Ended

Sep. 30, 2017

Capital Ratios [Abstract]

Schedule Of The Total Risk-based, Tier 1 Risk-based And Tier 1 Leverage Requirements

			Regulatory Ratios
			Adequately	Well
	September 30,	December 31,	Capitalized	Capitalized
(Dollars in thousands)	2017	2016	Minimum	Minimum
Common Equity Tier 1 Risk-based Capital Ratio (1)
Franklin Financial Services Corporation	15.62%	14.41%	4.500%	N/A
Farmers & Merchants Trust Company	15.56%	14.29%	4.500%	6.50%
Tier 1 Risk-based Capital Ratio (2)
Franklin Financial Services Corporation	15.62%	14.41%	6.000%	N/A
Farmers & Merchants Trust Company	15.56%	14.29%	6.000%	8.00%
Total Risk-based Capital Ratio (3)
Franklin Financial Services Corporation	16.89%	15.67%	8.000%	N/A
Farmers & Merchants Trust Company	16.82%	15.55%	8.000%	10.00%
Tier 1 Leverage Ratio (4)
Franklin Financial Services Corporation	10.39%	10.11%	4.000%	N/A
Farmers & Merchants Trust Company	10.34%	10.02%	4.000%	5.00%
(1) Common equity Tier 1 capital/ total risk-weighted assets (2) Tier 1 capital / total risk-weighted assets
(3) Total risk-based capital / total risk-weighted assets, (4) Tier 1 capital / average quarterly assets