Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Summary of Operating Leases

Operating leases consisted of the following at September 30, 2021:

	September 30, 2021			December 31, 2020
Real estate facilities	$	156,020		$	157,010
Office equipment		2,117			1,864
Other		690			580
		158,827			159,454
Amortization of right-of-use assets		(54,904	)		(32,322	)
Total operating lease right-of-use assets	$	103,923		$	127,132

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				Nine Months Ended
	September 30, 2021		September 30, 2020		September 30, 2021		September 30, 2020
Operating lease costs	$	8,557	$	9,605	$	26,004	$	28,375
Short-term lease costs		91		276		327		1,149
Variable lease costs		13		1		32		2
Total rent expense	$	8,661	$	9,882	$	26,363	$	29,526

Summary of Future Minimum Lease Payments Under Non-Cancellable Leases

Future minimum lease payments under non-cancellable leases as of September 30, 2021 were as follows:

September 30, 2022	$	38,473
September 30, 2023		24,552
September 30, 2024		18,476
September 30, 2025		13,622
September 30, 2026		12,606
Thereafter		27,346
Total future minimum lease payments		135,075
Less:  Interest		(12,125	)
Total operating lease liabilities	$	122,950
Operating lease liabilities - current	$	35,418
Operating lease liabilities - non-current		87,532
Total operating lease liabilities	$	122,950

Summary of Other Information Related to Operating Leases

Other information related to operating leases is as follows:

	September 30, 2021			September 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	18,743		$	29,248
Right-of-use assets obtained in exchange for operating lease liabilities	$	969		$	29,581
Weighted-average remaining lease term - operating leases		5.7			6.0
Weighted-average discount rate - operating leases		3.3	%		3.4	%