FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value

The following tables show the fair values of the Company’s financial assets and liabilities measured at fair value as of June 30, 2016 and December 31, 2015:

	As of June 30, 2016
	Balance		Level 1		Level 2		Level 3
Cash and cash equivalents	$	280,724	$	280,724	$	—	$	—
Time deposits and restricted cash	246		—		246		—
Employee loans	6,162		—		—		6,162
Total assets measured at fair value	$	287,132	$	280,724	$	246	$	6,162
Performance-based equity awards	$	104	$	—	$	—	$	104
Cash-settled restricted stock units	806		806		—		—
Total liabilities measured at fair value	$	910	$	806	$	—	$	104

	As of December 31, 2015
	Balance		Level 1		Level 2		Level 3
Cash and cash equivalents	$	199,449	$	199,449	$	—	$	—
Time deposits and restricted cash	30,419		—		30,419		—
Employee loans	6,338		—		—		6,338
Total assets measured at fair value	$	236,206	$	199,449	$	30,419	$	6,338
Performance-based equity awards	$	5,364	$	—	$	—	$	5,364
Total liabilities measured at fair value	$	5,364	$	—	$	—	$	5,364

Reconciliation of Liabilities Measured on Recurring Basis, Unobservable Input

A reconciliation of the beginning and ending balances of acquisition-related contractual contingent liabilities using significant unobservable inputs (Level 3) for the six months ended June 30, 2016, is as follows:

	Amount
Contractual contingent liabilities at January 1, 2016	$	5,364
Liability-classified stock-based awards	2,574
Changes in fair value of contractual contingent liabilities included in earnings	121
Settlements of contractual contingent liabilities — stock	(7,955		)
Contractual contingent liabilities at June 30, 2016	$	104