Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2016

Leases [Abstract]

Schedule of Future Minimum Cash Commitments Under Operating Leases

We lease certain of our office facilities and equipment under various operating leases. Future minimum cash commitments under operating leases as of December 31, 2016 were as follows (in thousands):

Year Ending December 31,	Gross Operating Lease Commitments		Sub-Leases		Net Operating Lease Commitments
2017	$	30,571	$	306	$	30,265
2018		30,464		234		30,230
2019		26,282		234		26,048
2020		22,230		234		21,996
2021		17,921		—		17,921
Thereafter		75,859		—		75,859
Total	$	203,327	$	1,008	$	202,319