Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Schedule of Lease

Lease expense for lease payments is recognized on a straight-line basis over the lease term. The components of lease expense were as follows (in thousands):

	Statement of Operations Location	Three Months Ended March 31, 2019
Operating lease cost	Direct salaries and related costs	$	75
Operating lease cost	General and administrative		14,807
Short-term lease cost	General and administrative		423
Variable lease cost	Direct salaries and related costs		2
Variable lease cost	General and administrative		1,037
Sublease income	General and administrative		(428	)
		$	15,916

Supplemental cash flow information related to leases was as follows (in thousands):

	Three Months Ended March 31, 2019
Cash paid for amounts included in the measurement of operating lease liabilities - operating    cash flows	$	13,146
Right-of-use assets obtained in exchange for new operating lease liabilities		6,581

Additional supplemental information related to leases was as follows:

	March 31, 2019
Weighted average remaining lease term of operating leases	5.6 years
Weighted average discount rate of operating leases		3.8	%

Schedule of Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities as of March 31, 2019 were as follows (in thousands):

	Amount
2019 (remaining nine months)	$	39,922
2020		54,912
2021		48,369
2022		37,324
2023		24,170
2024  and thereafter		54,043
Total future lease payments		258,740
Less: Imputed interest		27,025
Present value of future lease payments		231,715
Less: Operating lease liabilities		45,636
Long-term operating lease liabilities	$	186,079

Schedule of Future Minimum Rental Payments for Operating Leases under ASC 840

The following is a schedule of future minimum rental payments required under operating leases that had noncancelable lease terms as of December 31, 2018 under ASC 840 (in thousands):

	Amount
2019	$	53,071
2020		48,770
2021		43,324
2022		34,063
2023		22,583
2024 and thereafter		51,456
	$	253,267