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Fair Value Measurements (Details 2) - Level 3 - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Convertible Securities |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Asset, Beginning Balance | $ 3,294 | $ 13,550 |
Realized gains (losses) included in earnings | 0 | 710 |
Sales proceeds | 0 | (13,485) |
Asset, Ending Balance | 3,294 | 775 |
Convertible Notes | Cost Basis, Plus Interest |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Asset, Beginning Balance | 3,294 |  |
Asset, Ending Balance | 3,294 | 775 |
Real Property | Third-Party Appraisal |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, Fair Value Disclosure, Nonrecurring | 11,210 |  | $ 11,210
Contingent Consideration |  |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |
Liability, Beginning Balance | 0 | (350) |
Gains (losses) included in earnings | 0 | 190 |
Sales proceeds | 0 | 0 |
Liability, Ending Balance | $ 0 | $ (160) |

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- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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