Stock Incentive Plans (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Stock Incentive Plans [Line Items]
Number of common stock authorized for Long-Term Incentive Plan	6,200,000		6,200,000
Stock-based compensation expense	$ 4,271,000	$ 3,956,000	$ 26,108,000	$ 16,650,000
CEO transition costs	19,688,000
Restricted Stock, deferred	9,223,000
Consulting, retirement payments and other costs	$ 10,465,000