Related-Party Transactions	6 Months Ended
Related-Party Transactions	Jun. 30, 2015
Related Party Transactions [Abstract]
Related-Party Transactions	Related-Party Transactions Deferred Compensation At June 30, 2015 and December 31, 2014, the Company had $25.4 million and $24.6 million, respectively, recorded as deferred compensation payable to various members of management and certain non-employee members of the board of directors of the Company. Compensation expense included in operating and other costs in the accompanying condensed consolidated statements of operations and comprehensive income or loss for the three months ended June 30, 2015 and 2014 was $417,000 and $415,000, respectively, and for the six months ended June 30, 2015 and 2014 was $996,000 and $1 million, respectively. On January 20, 2015, the Company sold equity securities with a cost basis of $2.3 million to certain deferred compensation Rabbi Trust accounts held by the Company, for the benefit of the Company’s President and Chief Executive Officer, John R. Hart, for total proceeds of $5 million, which represented the market value of these securities on the date of sale. Investment in Synthonics The Company has an investment in preferred stock and an outstanding line of credit with Synthonics, a company co-founded by Mr. Slepicka, a director of the Company, who is currently the Chairman, Chief Executive Officer and acting Chief Financial Officer of Synthonics. As of June 30, 2015, the Company had invested $2.2 million for 18.3% of the voting interest in Synthonics. In addition, the Company extended a $450,000 line of credit to Synthonics during 2014, which bears interest at 15% per annum. The outstanding balance and accrued interest was repaid in April 2015.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.