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Stock Based Compensation Plans	3 Months Ended
Stock Based Compensation Plans	Mar. 31, 2016
Share-based Compensation [Abstract]
Stock Based Compensation Plans	(9)Stock-Based Compensation Plans The Company maintains various stock incentive plans that provide long-term incentives to the Company’s key employees, including officers, directors, consultants and advisors (Eligible Participants). Under the stock incentive plans, the Company may grant incentive stock options, non-qualified stock options, restricted stock, restricted stock units, stock appreciation rights, other stock-based awards or any combination thereof to Eligible Participants. The Company’s total compensation expense related to these plans was approximately $10.4 million and $11.6 million for the three months ended March 31, 2016 and 2015, respectively, which is reflected in general and administrative expenses.