Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value

The following table presents the Company’s financial assets and liabilities which are measured at fair values on a recurring basis as of September 30, 2014 and December 31, 2013 (in thousands).

	Fair Value			Level 1		Level 2		Level 3
September 30, 2014
Assets:
Repurchase agreements	$	187,049		$	—	$	187,049	$	—
Certificates of deposit		11,860			—		11,860		—
Total cash equivalents	$	198,909		$	—	$	198,909	$	—
Liabilities:
Acquisition related contingent consideration	$	(78,611	)	$	—	$	—	$	(78,611	)

	Fair Value			Level 1		Level 2		Level 3
December 31, 2013
Assets:
Repurchase agreements	$	162,126		$	—	$	162,126	$	—
Certificates of deposit		9,038			—		9,038		—
Total cash equivalents	$	171,164		$	—	$	171,164	$	—
Liabilities:
Acquisition related contingent consideration	$	(80,476	)	$	—	$	—	$	(80,476	)