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Marketable Securities (Tables) | 6 Months Ended
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Jun. 30, 2014
Investments, Debt and Equity Securities [Abstract] |
Unrealized Gain (Loss) on Investments | The amortized cost and estimated fair value of the Company’s Marketable Securities as of June 30, 2014 and December 31, 2013 were as follows:
| June 30, 2014 |  | December 31, 2013
| Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Securities Investments | $ | 5,056 |  |  | $ | 1,330 |  |  | $ | 14 |  |  | $ | 6,372 |  |  | $ | 11,268 |  |  | $ | 754 |  |  | $ | 623 |  |  | $ | 11,399 |
Debt Securities Carried by EGL | 24,052 |  |  | 102 |  |  | — |  |  | 24,154 |  |  | 22,542 |  |  | 87 |  |  | 1 |  |  | 22,628 |
Mutual Funds | 4,619 |  |  | 1,194 |  |  | 41 |  |  | 5,772 |  |  | 7,917 |  |  | 1,600 |  |  | 137 |  |  | 9,380 |
Total | $ | 33,727 |  |  | $ | 2,626 |  |  | $ | 55 |  |  | $ | 36,298 |  |  | $ | 41,727 |  |  | $ | 2,441 |  |  | $ | 761 |  |  | $ | 43,407 |
Investments Classified by Contractual Maturity Date | Scheduled maturities of the Company’s available-for-sale debt securities within the Securities Investments portfolio as of June 30, 2014 and December 31, 2013 were as follows:
| June 30, 2014 |  | December 31, 2013
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Due within one year | $ | 303 |  |  | $ | 304 |  |  | $ | 306 |  |  | $ | 307 |
Due after one year through five years | 1,252 |  |  | 1,266 |  |  | 1,250 |  |  | 1,264 |
Due after five years through 10 years | 100 |  |  | 102 |  |  | 100 |  |  | 100 |
Total | $ | 1,655 |  |  | $ | 1,672 |  |  | $ | 1,656 |  |  | $ | 1,671 |

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
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