Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Summary Of Fixed Assets

The following is a summary of fixed assets as of December 31, 2023 and 2022 (in thousands):

	December 31,
	2023			2022
Office equipment	$	356,707		$	341,641
Leasehold improvements		141,585			129,279
Internally developed software		85,993			67,250
Building		80,771			73,549
Aircraft engine operating leases		2,370			8,612
		667,426			620,331
Accumulated depreciation and amortization		(475,898	)		(420,288	)
	$	191,528		$	200,043