Other Assets (Tables)

6 Months Ended

Jun. 30, 2021

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

Schedule of Other Assets

Other assets consist of the following (in thousands): 

	June 30, 2021		December 31, 2020
Costs to obtain contracts - customer agreements	$	541,673	$	377,839
Costs to obtain contracts - incentives	2,481		2,481
Accumulated amortization of costs to obtain contracts	(60,839)		(51,365)
Unbilled receivables	178,839		150,603
Allowance for credit losses on unbilled receivables	(2,017)		(1,731)
Operating lease right-of-use assets	87,747		81,516
Equity security investment	63,826		65,356
Other assets	98,659		56,966
Total	$	910,369	$	681,665