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Capital Ratios (Schedule Of The Total Risk-based, Tier 1 Risk-based And Tier 1 Leverage Requirements) (Details) | Jun. 30, 2023 | Dec. 31, 2022
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Franklin Financial Services Corporation [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Common Equity Tier 1 Risk-based Capital Ratio: Ratio | 0.1388 | 0.1422
Tier 1 Risk-based Capital Ratio: Ratio | 0.1388 | 0.1422
Total Risk-based Capital Ratio: Ratio | 0.1684 | 0.1721
Tier 1 Leverage Ratio: Ratio | 0.0939 | 0.0895
Bank [Member] |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Common Equity Tier 1 Risk-based Capital Ratio: Ratio | 0.1425 | 0.1463
Common Equity Tier 1 Risk-based Capital Ratio: Adequately Capitalized Minimum: Ratio | 0.0450 |
Common Equity Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio | 0.065 |
Tier 1 Risk-based Capital Ratio: Ratio | 0.1425 | 0.1463
Tier 1 Risk-based Capital Ratio: Adequately Capitalized Minimum: Ratio | 0.0600 |
Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio | 0.08 |
Total Risk-based Capital Ratio: Ratio | 0.1550 | 0.1588
Total Risk-based Capital Ratio: Adequately Capitalized Minimum: Ratio | 0.0800 |
Total Risk-based Capital Ratio: Well Capitalized Minimum: Ratio | 0.10 |
Tier 1 Leverage Ratio: Ratio | 0.0964 | 0.0921
Tier 1 Leverage Ratio: Adequately Capitalized Minimum: Ratio | 0.0400 |
Tier 1 Leverage Ratio: Well Capitalized Minimum: Ratio | 0.05 |

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- Definition Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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