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Employee Benefit Plans (The Major Categories Of Plan Assets Measured At Fair Value On a Recurring Basis) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | $ 3,780 | $ 6,607
Equity securities | 34,166 | 36,432
Fixed income securities | 31,742 | 32,545
Total Plan investments | 72,358 | 75,584
Foreign Exchange Contract [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | 35 | 31
U S Treasury And Government [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents |  | 249
Fixed income securities | 7,180 | 5,139
Short Term Investments [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | 3,745 | 6,327
Common Stock [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 13,083 | 14,732
Depository Receipts [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 336 | 185
Commingled Pension Trust Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 10,557 | 10,802
Fixed income securities | 17,889 | 21,083
Other investments | 2,670 |
Exchange Traded Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 10,190 | 10,573
Preferred Equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  | 140
Consumer Loans Auto Financing Receivable [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  | 330
Collateralized Mortgage Obligations [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 608 | 682
All Other Corporate Bonds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 3,439 | 2,971
Federal Home Loan Mortgage Corporation [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 276 | 73
Federal National Mortgage Association [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 1,966 | 1,951
Government National Mortgage Association Certificates And Obligations Gnma Two [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 384 | 123
Other [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  | 160
Other Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  | 33
Level 1 Inputs [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | 35 | 31
Equity securities | 23,609 | 25,630
Total Plan investments | 23,644 | 25,661
Level 1 Inputs [Member] | Foreign Exchange Contract [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | 35 | 31
Level 1 Inputs [Member] | Common Stock [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 13,083 | 14,732
Level 1 Inputs [Member] | Depository Receipts [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 336 | 185
Level 1 Inputs [Member] | Exchange Traded Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 10,190 | 10,573
Level 1 Inputs [Member] | Preferred Equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  | 140
Level 2 Inputs [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | 3,745 | 6,576
Equity securities | 10,557 | 10,802
Fixed income securities | 31,742 | 32,545
Total Plan investments | 46,044 | 49,923
Level 2 Inputs [Member] | U S Treasury And Government [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents |  | 249
Fixed income securities | 7,180 | 5,139
Level 2 Inputs [Member] | Short Term Investments [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents | 3,745 | 6,327
Level 2 Inputs [Member] | Commingled Pension Trust Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities | 10,557 | 10,802
Fixed income securities | 17,889 | 21,083
Level 2 Inputs [Member] | Consumer Loans Auto Financing Receivable [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  | 330
Level 2 Inputs [Member] | Collateralized Mortgage Obligations [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 608 | 682
Level 2 Inputs [Member] | All Other Corporate Bonds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 3,439 | 2,971
Level 2 Inputs [Member] | Federal Home Loan Mortgage Corporation [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 276 | 73
Level 2 Inputs [Member] | Federal National Mortgage Association [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | 1,966 | 1,951
Level 2 Inputs [Member] | Government National Mortgage Association Certificates And Obligations Gnma Two [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities | $ 384 | 123
Level 2 Inputs [Member] | Other [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  | 160
Level 2 Inputs [Member] | Other Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  | $ 33
Level 3 Inputs [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents |  |
Equity securities |  |
Fixed income securities |  |
Total Plan investments | $ 2,670 |
Level 3 Inputs [Member] | Foreign Exchange Contract [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents |  |
Level 3 Inputs [Member] | U S Treasury And Government [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Short Term Investments [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Cash equivalents |  |
Level 3 Inputs [Member] | Common Stock [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  |
Level 3 Inputs [Member] | Depository Receipts [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  |
Level 3 Inputs [Member] | Commingled Pension Trust Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  |
Fixed income securities |  |
Other investments | $ 2,670 |
Level 3 Inputs [Member] | Exchange Traded Funds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  |
Level 3 Inputs [Member] | Preferred Equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Equity securities |  |
Level 3 Inputs [Member] | Consumer Loans Auto Financing Receivable [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Collateralized Mortgage Obligations [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | All Other Corporate Bonds [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Federal Home Loan Mortgage Corporation [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Federal National Mortgage Association [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Government National Mortgage Association Certificates And Obligations Gnma Two [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Other [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |
Level 3 Inputs [Member] | Other Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fixed income securities |  |

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