Employee Benefit Programs	12 Months Ended
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Employee Benefit Plans	Employee Benefit Programs The Company maintains multiple qualified contributory savings plans as allowed under Section 401(k) of the Internal Revenue Code. These plans are defined contribution plans covering substantially all employees of the Company and provide for voluntary contributions by employees, subject to certain limits. Company contributions are primarily based on specified percentages of employee compensation. In some instances, the plan may allow for elective or required Company contributions subject to the limits defined by each plan. The Company funds contributions as accrued. The Company’s contributions for the years ended December 31, 2015, 2014 and 2013 were approximately $14.1 million, $1.6 million and $1.1 million, respectively, and vest immediately or incrementally over a period of four to five years, depending on the plan and the tenures of the respective employees for which the contributions were made. During 2014, the Company recorded expenses of approximately $5.6 million related to Sheridan which represented the period July 16, 2014 through December 31, 2014. The Company maintains the Supplemental Executive and Director Retirement Savings Plan. This plan is a defined contribution plan covering all officers of the Company and provides for voluntary contributions of up to 50% of employee annual compensation. Company contributions are at the discretion of the Compensation Committee of the Board of Directors and vest incrementally over five years. The employee and employer contributions are placed in a Rabbi Trust and recorded in the accompanying consolidated balance sheets in prepaid and other current assets. Employer contributions to this plan for the years ended December 31, 2015, 2014 and 2013 were approximately $5.2 million, $0.8 million and $2.3 million, respectively. As of December 31, 2015 and 2014, the cash surrender value of the supplemental executive and director retirement savings plan investments, which are included in prepaid and other current assets in the accompanying consolidated balance sheets, was $16.6 million and $17.3 million, respectively.

Employee Benefit Programs

The Company maintains multiple qualified contributory savings plans as allowed under Section 401(k) of the Internal Revenue Code. These plans are defined contribution plans covering substantially all employees of the Company and provide for voluntary contributions by employees, subject to certain limits. Company contributions are primarily based on specified percentages of employee compensation. In some instances, the plan may allow for elective or required Company contributions subject to the limits defined by each plan. The Company funds contributions as accrued. The Company’s contributions for the years ended December 31, 2015, 2014 and 2013 were approximately $14.1 million, $1.6 million and $1.1 million, respectively, and vest immediately or incrementally over a period of four to five years, depending on the plan and the tenures of the respective employees for which the contributions were made. During 2014, the Company recorded expenses of approximately $5.6 million related to Sheridan which represented the period July 16, 2014 through December 31, 2014.

The Company maintains the Supplemental Executive and Director Retirement Savings Plan. This plan is a defined contribution plan covering all officers of the Company and provides for voluntary contributions of up to 50% of employee annual compensation. Company contributions are at the discretion of the Compensation Committee of the Board of Directors and vest incrementally over five years. The employee and employer contributions are placed in a Rabbi Trust and recorded in the accompanying consolidated balance sheets in prepaid and other current assets. Employer contributions to this plan for the years ended December 31, 2015, 2014 and 2013 were approximately $5.2 million, $0.8 million and $2.3 million, respectively. As of December 31, 2015 and 2014, the cash surrender value of the supplemental executive and director retirement savings plan investments, which are included in prepaid and other current assets in the accompanying consolidated balance sheets, was $16.6 million and $17.3 million, respectively.