STOCK-BASED COMPENSATION, Stock Options Outstanding And Exercisable (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Outstanding and Exercisable [Abstract]
Number of Options Outstanding at December 31 (in shares)	570,483
Weighted Average Remaining Contractual Life (Years)	1 year 7 months 6 days
Weighted Average Exercise Price	$ 10.43
Aggregate Intrinsic Value	$ 13,651,000	[1]
Lower range limit (in dollars per share)			$ 5.91
Upper range limit (in dollars per share)			$ 18.34
Stock-based compensation, aggregate disclosures [Abstract]
Shares tendered to net share settle (in shares)	20,768		5,878	32,800
Fair value of shares withheld for tax withholding obligations	2,800,000		3,500,000	3,400,000
$5.91–9.04 [Member]
Outstanding and Exercisable [Abstract]
Number of Options Outstanding at December 31 (in shares)	197,430
Weighted Average Remaining Contractual Life (Years)	1 year
Weighted Average Exercise Price	$ 8.15
Aggregate Intrinsic Value	5,176,000	[1]
Lower range limit (in dollars per share)			$ 5.91
Upper range limit (in dollars per share)			$ 9.04
9.43-14.16 [Member]
Outstanding and Exercisable [Abstract]
Number of Options Outstanding at December 31 (in shares)	294,936
Weighted Average Remaining Contractual Life (Years)	2 years
Weighted Average Exercise Price	$ 10.55
Aggregate Intrinsic Value	7,023,000	[1]
Lower range limit (in dollars per share)			$ 9.43
Upper range limit (in dollars per share)			$ 14.16
14.39–18.34 [Member]
Outstanding and Exercisable [Abstract]
Number of Options Outstanding at December 31 (in shares)	78,117
Weighted Average Remaining Contractual Life (Years)	1 year 4 months 24 days
Weighted Average Exercise Price	$ 15.77
Aggregate Intrinsic Value	1,452,000	[1]
Lower range limit (in dollars per share)			$ 14.39
Upper range limit (in dollars per share)			$ 18.34
Stock Options [Member]
Stock-based compensation, aggregate disclosures [Abstract]
Total intrinsic value of stock awards exercised	4,900,000		7,500,000	25,000,000
Compensation expense	0		0	0
Value of shares tendered to net share settle exercise of options	1,000,000		245,000	1,300,000
Shares withheld for tax withholding obligations (in shares)	7,599		15,066	13,031
Fair value of shares withheld for tax withholding obligations	$ 274,000		$ 628,403	$ 438,000

[1] The difference between the stock option’s exercise price and the closing price of the common stock at December 31, 2013.