Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Summary of Future Minimum Lease Payments Under All Non-cancelable Operating Leases

The following table summarizes our future minimum lease payments, net of total cash receipts from subleases of $29.2 million, under all non-cancelable operating leases for each of the next five years and thereafter.  As of December 31, 2017, future minimum lease payments under capital leases were not material.

(In thousands)	Operating
Year ending December 31,	Leases
2018	$	5,547
2019		5,645
2020		3,175
2021		910
2022		827
2023 and thereafter		136
Total minimum lease payments	$	16,240