Stock-Based Compensation and Other Employee Benefit Plans (Schedule of Activity, Restricted Shares) (Details) - Common Stock [Member]	9 Months Ended
	Sep. 30, 2016 $ / shares shares
Restricted Shares [Member]
Restricted Shares
Non-vested restricted shares, beginning balance (in shares)	1,630,232	[1]
Granted (in shares)	447,946
Vested (in shares)	(76,650)
Canceled/forfeited (in shares)	(70,950)
Non-vested restricted shares, ending balance (in shares)	1,930,578	[1]
Per Share Weighted Average Grant Date Fair Value
Non-vested restricted shares, per share weighted average grant date fair value, beginning balance (in dollars per share) | $ / shares	$ 22.94
Granted (in dollars per share) | $ / shares	13.46
Vested (in dollars per share) | $ / shares	24.06
Canceled/forfeited (in dollars per share) | $ / shares	21.36
Non-vested restricted shares, per share weighted average grant date fair value, ending balance (in dollars per share) | $ / shares	$ 20.75
Restricted Stock Units [Member]
Restricted Shares
Non-vested restricted shares, beginning balance (in shares)	32,250	[1]
Non-vested restricted shares, ending balance (in shares)	42,750	[1]

[1] Includes 42,750 and 32,250 restricted stock units as of September 30, 2016 and December 31, 2015, respectively.