Commitments, Guarantees And Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments And Contingencies Disclosure [Abstract]

Future Minimum Commitments Under Non-Cancelable Operating Leases

Future minimum commitments under non-cancelable operating leases at December 31, 2017, are as follows (in thousands):

2018	$	96,009
2019		90,763
2020		77,186
2021		60,279
2022		52,732
Thereafter		151,548
	$	528,517