Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Summary of Operating Leases

Operating leases consisted of the following at June 30, 2019:

Real estate facilities	$	145,359
Office equipment		2,203
Other		523
		148,085
Amortization of right-of-use assets		(15,370	)
Total operating lease right-of-use assets	$	132,715

Summary of Rent Expense

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

	Three Months Ended		Six Months Ended
	June 30, 2019		June 30, 2019
Operating lease costs	$	8,610	$	17,506
Short-term lease costs		322		1,003
Variable lease costs		172		184
Total rent expense		9,104		18,693

Summary of Future Minimum Lease Payments Under Non-Cancellable Leases

Future minimum lease payments under non-cancellable leases as of June 30, 2019 were as follows:

June 30, 2020	$	33,866
June 30, 2021		34,515
June 30, 2022		32,963
June 30, 2023		23,595
June 30, 2024		14,643
Thereafter		22,363
Total future minimum lease payments		161,945
Less:  Interest		(15,767	)
Total operating lease liabilities	$	146,178
Operating lease liabilities - current	$	29,238
Operating lease liabilities - non-current		116,940
Total operating lease liabilities	$	146,178

Summary of Other Information Related to Operating Leases

Other information related to operating leases is as follows:

	Six Months Ended
	June 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	18,594
Right-of-use assets obtained in exchange for new operating lease liabilities	$	14,896
Weighted-average remaining lease term - operating leases		5.1
Weighted-average discount rate - operating leases		3.7	%