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Employee Benefit Plans (Schedule of Allocation of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | $ 59,559 |  | $ 49,516 |
Mutual Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 59,485 | [1] | 49,456 | [2]
U.S. Equity Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 33.00% |  | 42.00% |
U.S. Fixed Income Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 26.00% |  | 39.00% |
Non-U.S. Equity Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 25.00% |  | 16.00% |
Other [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 16.00% |  | 3.00% |
Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 74 |  | 60 |
Fair Value, Inputs, Level 1 [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 59,559 |  | 49,516 |
Fair Value, Inputs, Level 1 [Member] | Mutual Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 59,485 | [1] | 49,456 | [2]
Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 74 |  | 60 |
Fair Value, Inputs, Level 2 [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 0 |  | 0 |
Fair Value, Inputs, Level 2 [Member] | Mutual Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | [1] | 0 | [2]
Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 0 |  | 0 |
Fair Value, Inputs, Level 3 [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 0 |  | 0 |
Fair Value, Inputs, Level 3 [Member] | Mutual Funds [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | [1] | 0 | [2]
Fair Value, Inputs, Level 3 [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Change In Benefit Obligation [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | $ 0 |  | $ 0 |
[1] | Mutual funds were invested 33% in U.S. equity funds, 26% in U.S. fixed income funds, 25% in non-U.S. equity funds and 16% in other.
[2] | Mutual funds were invested 42% in U.S. equity funds, 39% in U.S. fixed income funds, 16% in non-U.S. equity funds and 3% in other.

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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 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: 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=29635418&loc=d3e12355-114930 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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