Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments Under Operating Leases

The estimated future minimum noncancelable lease commitments under operating leases, as of December 31, 2014, are as follows:

	Facilities		Equipment		Total
2015	$	9,370	$	1,449	$	10,819
2016	10,040		151		10,191
2017	9,592		13		9,605
2018	9,779		—		9,779
2019	9,957		—		9,957
Thereafter	58,271		—		58,271
	$	107,009	$	1,613	$	108,622

Rent Expense Under Operating Leases

Rent expense under operating leases was:

Year Ended December 31,	Facilities		Equipment		Total
2014	$	13,360	$	952	$	14,312
2013	9,404		471		9,875
2012	7,428		601		8,029

Commitments Under Facility Lease Obligations

The estimated future minimum noncancelable commitments under these facility lease obligations, as of December 31, 2014, are as follows:

	Buildings A and B		Building C		Total
2015	$	13,545	$	4,562	$	18,107
2016	13,809		4,688		18,497
2017	14,079		4,818		18,897
2018	14,356		4,951		19,307
2019	14,640		5,088		19,728
Thereafter	132,027		59,987		192,014
	$	202,456	$	84,094	$	286,550