Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Equity-Based Compensation

Summary of non-cash equity-based compensation expense included in the Company's statement of operations

	Year Ended December 31,
	2012		2011		2010
Cost of revenue	$	219	$	—	$	—
Sales and marketing		783		—		—
Product development		1,696		—		—
General and administrative		7,687		2,122		1,114
Total	$	10,385	$	2,122	$	1,114

2012 ESPP

Equity-Based Compensation

Schedule of weighted average assumptions used in the fair value calculation

	Period from October 10, 2012 to December 31, 2012
Expected term (in years)		0.64
Volatility		49	%
Risk-free interest rate		0.15	%
Dividend yield		—

VAR Plan

Equity-Based Compensation

Schedule of weighted average assumptions used in the fair value calculation

	Year Ended December 31, 2012	Year Ended December 31, 2011
Expected term (in years)	5.2 - 6.3	5.5 - 6.6
Volatility	49%	44% - 47%
Risk-free interest rate	1.0% - 1.6%	1.4% - 2.9%
Dividend yield	0%	0%

Summary of awards and weighted average exercise price per option/notional unit

	Plan Options/Units			Weighted Average Exercise Price
Units outstanding at December 31, 2010		—		$	—
Units granted		1,370,500			15.08
Units exercised		—			—
Units cancelled or forfeited		(26,000	)		14.21
Units outstanding at December 31, 2011		1,344,500		$	15.10
Options/Units granted		418,000			19.38
Options/Units exercised		—			—
Options/Units cancelled or forfeited		(70,218	)		21.15
Options outstanding at December 31, 2012		1,692,282		$	16.11

Summary of the Company's non-vested stock options/VAR Plan notional units

	Plan Options/Units			Weighted Average Grant Date Fair Value
Unvested units at December 31, 2010		—		$	—
Units granted		1,370,500			5.11
Units vested		—			—
Units cancelled or forfeited		(26,000	)		4.83
Units outstanding at December 31, 2011		1,344,500		$	5.48
Options/Units granted		418,000			8.73
Options/Units vested		(435,939	)		5.29
Options/Units cancelled or forfeited		(70,218	)		8.08
Unvested options at December 31, 2012		1,256,343		$	6.58