STOCK BASED AWARDS (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

The activity for stock options in the indirect parent entity of the Company for the year ended December 31, 2015 was as follows:

	Number of Units (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2014	446		$	71.86
Granted	86		126.78
Exercised	(47	)	68.86
Forfeited/Expired	(42	)	73.78
Outstanding at December 31, 2015	443		82.69		7.9	$	19,938
Exercisable at December 31, 2015	142		71.09		7.5	7,585
Vested and expected to vest at December 31, 2015	417		82.99		7.7	18,708

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following weighted-average assumptions were used in the Black-Scholes calculations:

	Year Ended December 31,
	2015			2014			2013
Expected volatility	43.3		%	46.0		%	44.9		%
Expected term (in years)	4.0			4.4			4.8
Weighted-average risk-free interest rate	1.2		%	1.5		%	0.9		%
Weighted-average fair value of the underlying common stock	$	126.78		$	79.03		$	144.26
Expected dividends	—			—			—

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value

Additional information regarding stock options was as follows (in thousands, except per share data):

	Year Ended December 31,
	2015		2014		2013
Weighted-average grant date fair value of options granted	$	44.25	$	30.84	$	56.44
Total intrinsic value of options exercised	1,619		3,441		26,692

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

RSU activity for the year ended December 31, 2015 was as follows:

	Number of Units (in thousands)		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2014	38		$	69.04
Granted	—		—
Vested	(21	)	69.13
Forfeited	—		68.93
Outstanding at December 31, 2015	17		68.93

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Stock-based compensation was included in the following captions within the Consolidated Statements of Operations (in thousands) for the following periods:

	Year Ended December 31,
	2015		2014		2013
Cost of revenues	$	99	$	113	$	190
Technology and development	2,774		3,206		4,080
Marketing and advertising	597		957		1,006
General and administrative	4,213		3,728		3,048
Total stock-based compensation	$	7,683	$	8,004	$	8,324

Schedule of Unrecognized Compensation Cost, Nonvested Awards

Unrecognized stock-based compensation for stock options and RSUs at December 31, 2015 was as follows (in thousands, except years):

	Unrecognized Stock-Based Compensation		Weighted Average Remaining Period of Recognition (in years)
Stock options	$	11,754	3.0
RSUs	1,478		0.5
Total unrecognized stock-based compensation at December 31, 2015	$	13,232