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Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Summary of Operating Leases

Operating leases consisted of the following at December 31, 2020:

		December 31, 2020
Real estate facilities		$	157,010
Office equipment			1,864
Other			580
			159,454
Amortization of right-of-use assets			(32,322	)
Total operating lease right-of-use assets		$	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:

		Year Ended December 31,
		2020				2019
Operating lease costs		$	37,874			$	36,210
Short-term lease costs			1,421				2,153
Variable lease costs			53				77
Total rent expense		$	39,348			$	38,440

Summary of Future Minimum Lease Payments Under Non-Cancellable Leases

Future minimum lease payments under non-cancellable leases as of December 31, 2020 were as follows:

						December 31, 2020
December 31, 2021						$	27,417
December 31, 2022							38,691
December 31, 2023							20,835
December 31, 2024							17,208
December 31, 2025							13,603
Thereafter							37,314
Total future minimum lease payments							155,068
Less:  Interest							(16,104	)
Total operating lease liabilities						$	138,964
		December 31, 2020				December 31, 2019
Operating lease liabilities - current		$	23,350			$	32,500
Operating lease liabilities - non-current			115,614				119,250
Total operating lease liabilities		$	138,964			$	151,750

Summary of Other Information Related to Operating Leases

Other information related to operating leases is as follows:

		Year Ended December 31,
		2020				2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$	41,025			$	36,907
Right-of-use assets obtained in exchange for new operating lease liabilities		$	29,790			$	31,123
Weighted-average remaining lease term - operating leases			5.9				5.1
Weighted-average discount rate - operating leases			3.4	%			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 year ended December 31:

		2018
Rent		$	34,924
Sublease income			(45	)
Total rent expense		$	34,879

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Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

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Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

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