Treasury And Common Stock - Schedule Of Treasury Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	11 Months Ended		12 Months Ended
	Dec. 31, 2011		Dec. 31, 2013		Dec. 31, 2012
Class of Stock [Line Items]
Treasury Stock, Beginning Balance, Amount	$ (424,210)		$ (441,774)		$ (426,717)
Treasury stock purchases	(2,507)	[1]	(10,266)	[1]	(15,057)	[1]
Treasury Stock, Ending Balance, Amount	(426,717)		(452,040)		(441,774)
Treasury Stock, Shares, Beginning Balance	9,122,028		9,944,239		9,204,340
Treasury Stock, Shares, Ending Balance	9,204,340		10,557,342		9,944,239
Excluding Long-Term Incentive Plan [Member]
Class of Stock [Line Items]
Treasury stock purchases	(2,231)		(9,961)		(13,434)
Treasury stock purchased in connection with long-term incentive plan, Shares	70,000		594,582		694,636
Long-Term Incentive Plan [Member]
Class of Stock [Line Items]
Treasury stock purchases	$ (276)		$ (305)		$ (1,623)
Treasury stock purchased in connection with long-term incentive plan, Shares	12,312		18,521		45,263

[1] This includes shares withheld in order to satisfy employee withholding taxes upon the distribution of vested restricted stock units.