Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Summary of Operating Leases

Operating leases consisted of the following at March 31, 2019:

Real estate facilities	$	132,596
Office equipment		2,062
Other		486
		135,144
Amortization of right-of-use assets		(7,557	)
Total operating lease right-of-use assets	$	127,587

Summary of Rent Expense

Rent expense is recognized on a straight-line basis over the lease term, net of sublease payments.  Rent expense consists of the following:

	Three Months Ended
	March 31, 2019
Operating lease costs	$	8,896
Short-term lease costs		681
Variable lease costs		12
Total operating lease costs		9,589
Sublease income		—
Total rent expense	$	9,589

Summary of Future Minimum Lease Payments Under Non-Cancellable Leases

Future minimum lease payments under non-cancellable leases as of March 31, 2019 were as follows:

March 31, 2020	$	34,825
March 31, 2021		32,970
March 31, 2022		31,653
March 31, 2023		25,967
March 31, 2024		13,065
Thereafter		18,694
Total future minimum lease payments		157,174
Less:  Interest		(14,174	)
Total operating lease liabilities	$	143,000
Operating lease liabilities - current	$	30,324
Operating lease liabilities - non-current		112,676
Total operating lease liabilities	$	143,000

Summary of Other Information Related to Operating Leases

Other information related to operating leases is as follows:

	Three Months Ended
	March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	9,389
Right-of-use assets obtained in exchange for new operating lease liabilities	$	2,159
Weighted-average remaining lease term - operating leases		5.1
Weighted-average discount rate - operating leases		3.8	%