Stock-Based Compensation and Other Employee Benefit Plans (Schedule of Activity, Restricted Shares) (Details) - Common Stock [Member] - $ / shares		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Restricted Stock and Restricted Stock Units [Member]
Restricted Shares
Non-vested restricted shares, beginning balance (in shares)	[1]	1,630,232	1,414,645
Granted (in shares)		637,332	706,761
Vested (in shares)		(188,386)	(446,874)
Canceled/forfeited (in shares)		(108,592)	(44,300)
Non-vested restricted shares, ending balance (in shares)	[1]	1,970,586	1,630,232
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)		$ 22.94	$ 25.32
Granted (in dollars per share)		17.69	17.27
Vested (in dollars per share)		20.42	21.24
Canceled/forfeited (in dollars per share)		20.71	26.11
Non-vested restricted shares, per share weighted average grant date fair value, ending balance (in dollars per share)		$ 21.61	$ 22.94
Restricted Stock Units (RSUs) [Member]
Restricted Shares
Non-vested restricted shares, beginning balance (in shares)		32,250	34,250
Non-vested restricted shares, ending balance (in shares)		43,300	32,250

[1] Includes 43,300, 32,250 and 34,250 restricted stock units as of December 31, 2016, 2015 and 2014, respectively.