Equity Compensation And Employee Benefit Plans (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity Compensation Arrangement by Equity Compensation Award [Line Items]
Maximum shares of common stock	20,000,000
Maximum annual shares awarded to employee	500,000
Shares available for granting additional awards	7,658,356
Unrecognized compensation cost of non-vested equity compensation awards	$ 8,200,000
Unrecognized compensation cost of non-vested equity compensation awards expected to be recognized over a weighted average period (years)	2 years 219 days
Fair value of restricted stock awards vested	5,500,000	2,200,000	0
Payments made to taxing authorities for employee tax obligations	1,804,000	674,000	0
Shares withheld to settle employee tax withholding obligations	75,071
Maximum period for exercisable options (years and days)	10 years 0 months 1 day
Maximum Annual Stock Purchase Plan Contributions By Plan Participants	$ 20,000
Percentage Of Company Matching Contribution To Employee Stock Purchase Plan	15.00%
Percentage Of Interest Accrues On Purchase Plan Contributions	5.25%
Number Of Participants In Executive Nonqualified Excess Plan	59
Number of Options granted	0	0
Stock Options [Member]
Equity Compensation Arrangement by Equity Compensation Award [Line Items]
Number of Options granted			31,000
Stock Options [Member] | Minimum [Member]
Equity Compensation Arrangement by Equity Compensation Award [Line Items]
Vesting period (months)	24 months
Stock Options [Member] | Maximum [Member]
Equity Compensation Arrangement by Equity Compensation Award [Line Items]
Vesting period (months)	72 months
Restricted Stock [Member] | Minimum [Member]
Equity Compensation Arrangement by Equity Compensation Award [Line Items]
Vesting period (months)	12 months
Restricted Stock [Member] | Maximum [Member]
Equity Compensation Arrangement by Equity Compensation Award [Line Items]
Vesting period (months)	84 months