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Employee Benefit Plans (Schedule of Fair Value of Plan Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Fair Value Total [Member] |  |
Fair value of plan assets | $ 35,489 | $ 37,282
Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | 35,334 | 36,835
Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets | 155 | 447
Fixed income investments - Money market funds [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 155 | $ 447
Fixed income investments - Money market funds [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets |  |
Fixed income investments - Money market funds [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets | $ 155 | $ 447
Fixed income investments - US government bond fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | 3,398 | 3,385
Fixed income investments - US government bond fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 3,398 | $ 3,385
Fixed income investments - US government bond fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Fixed income investments - US corporate bond fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 3,357 | $ 3,377
Fixed income investments - US corporate bond fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 3,357 | $ 3,377
Fixed income investments - US corporate bond fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Fixed income investments - US corporate high yield bond fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 1,700 | $ 1,741
Fixed income investments - US corporate high yield bond fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 1,700 | $ 1,741
Fixed income investments - US corporate high yield bond fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Equity investments - Large cap value fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 14,703 | $ 7,669
Equity investments - Large cap value fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 14,703 | $ 7,669
Equity investments - Large cap value fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Equity investments - Large cap growth fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets |  | $ 7,694
Equity investments - Large cap growth fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets |  | $ 7,694
Equity investments - Large cap growth fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Equity investments - Small cap growth fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 2,845 | $ 3,162
Equity investments - Small cap growth fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 2,845 | $ 3,162
Equity investments - Small cap growth fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Equity investments - Mid cap growth fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 3,541 | $ 3,983
Equity investments - Mid cap growth fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 3,541 | $ 3,983
Equity investments - Mid cap growth fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Equity investments - Foreign equity fund [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 3,544 | $ 3,611
Equity investments - Foreign equity fund [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 3,544 | $ 3,611
Equity investments - Foreign equity fund [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |
Equity investments - Company stock [Member] | Fair Value Total [Member] |  |
Fair value of plan assets | $ 2,246 | $ 2,213
Equity investments - Company stock [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member] |  |
Fair value of plan assets | $ 2,246 | $ 2,213
Equity investments - Company stock [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Fair value of plan assets |  |

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=49178875&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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