Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Summary of Operating Leases

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

Real estate facilities	$	165,752
Office equipment		1,631
Other		892
		168,275
Amortization of right-of-use assets		(34,310	)
Total operating lease right-of-use assets	$	133,965

Summary of Rent Expense

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

	Year Ended December 31,
	2019
Operating lease costs	$	36,287
Short-term lease costs		2,153
Variable lease costs		5
Total rent expense	$	38,445

Summary of Future Minimum Lease Payments Under Non-Cancellable Leases

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

December 31, 2020	$	38,179
December 31, 2021		37,671
December 31, 2022		35,482
December 31, 2023		18,044
December 31, 2024		14,160
Thereafter		23,059
Total future minimum lease payments		166,595
Less:  Interest		(14,845	)
Total operating lease liabilities	$	151,750
Operating lease liabilities - current	$	32,500
Operating lease liabilities - non-current		119,250
Total operating lease liabilities	$	151,750

Summary of Other Information Related to Operating Leases

Other information related to operating leases is as follows:

	Year Ended
	December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	36,907
Right-of-use assets obtained in exchange for new operating lease liabilities	$	31,123
Weighted-average remaining lease term - operating leases		5.1
Weighted-average discount rate - operating leases		3.7	%

Summary of Rent Expense For Periods Prior to Adoption of New Lease Standard

Rent expense, for periods prior to the adoption of the new lease standard, is recognized on a straight-line basis over the lease term, net of sublease payments. Rent expense consists of the following for the years ended December 31:

	2018			2017
Rent	$	34,924		$	36,269
Sublease income		(45	)		(142	)
Total rent expense	$	34,879		$	36,127