Other Assets (Tables)

9 Months Ended

Sep. 30, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Assets

Other assets consist of the following (in thousands): 

	September 30, 2021		December 31, 2020
Costs to obtain contracts - customer agreements	$	626,484	$	377,839
Costs to obtain contracts - incentives	2,481		2,481
Accumulated amortization of costs to obtain contracts	(67,218)		(51,365)
Unbilled receivables	195,066		150,603
Allowance for credit losses on unbilled receivables	(2,198)		(1,731)
Operating lease right-of-use assets	90,070		81,516
Equity security investment	63,826		65,356
Other assets	104,838		56,966
Total	$	1,013,349	$	681,665