Equity-Based Compensation - Summary of Status of Equity-Based Compensation Plans (Details 4)	Dec. 31, 2016 shares
Performance Option [Member]
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding, shares	320,000
2014 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available to be granted	1,500,000
Stock options outstanding, shares	929,511
Restricted Stock Units, awarded and vested	54,544
RSUs outstanding, shares	609,511
Awards available to be granted	515,945
2014 Plan | Performance Option [Member]
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding, shares	320,000
2009 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available to be granted	3,400,000
Stock options outstanding, shares	212,849
RSUs outstanding, shares	212,849
Awards available to be granted	0
2009 Plan | Performance Option [Member]
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding, shares	0
2004 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available to be granted	6,500,000
Stock options outstanding, shares	78,947
RSUs outstanding, shares	78,947
Awards available to be granted	0
2004 Plan | Performance Option [Member]
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding, shares	0
Directors' Plan
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding, shares	25,985
RSUs outstanding, shares	25,985
Awards available to be granted	0
Directors' Plan | Performance Option [Member]
Summary of Status of Equity-Based Compensation Plans
Stock options outstanding, shares	0