Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents the Company’s hierarchy for its assets and liabilities measured at fair value on a recurring basis as of the following periods (in thousands):

	March 31, 2018								December 31, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	101,812	$	—	$	—	$	101,812	$	36,086	$	—	$	—	$	36,086
Total assets measured at fair value	$	101,812	$	—	$	—	$	101,812	$	36,086	$	—	$	—	$	36,086
Liabilities:
Contingent consideration	—		—		23,284		23,284		—		—		$	24,301	$	24,301
Deferred consideration	$	—	$	225,952	$	—	$	225,952	$	—	$	223,158	$	—	$	223,158
Total liabilities measured at fair value	$	—	$	225,952	$	23,284	$	249,236	$	—	$	223,158	$	24,301	$	247,459

Changes in Estimated Fair Value of Contingent Consideration Liabilities

Changes in estimated fair value of contingent consideration liabilities from December 31, 2017 through March 31, 2018 are as follows (in thousands):

	Contingent consideration liabilities (Level 3 measurement)
Balance at December 31, 2017	$	24,301
Cash payments	(1,017		)
Balance at March 31, 2018	$	23,284