Other Assets (Tables)

3 Months Ended

Mar. 31, 2020

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

Schedule of other assets

Other assets consist of the following (in thousands): 

	March 31, 2020		December 31, 2019
Costs to obtain contracts - customer agreements	$	279,091	$	268,964
Costs to obtain contracts - incentives	2,481		2,481
Accumulated amortization of costs to obtain contracts	(40,299)		(36,925)
Unbilled receivables, net	113,331		104,346
Operating lease right-of-use assets	32,380		34,678
Other assets	33,366		34,859
Total	$	420,350	$	408,403

Summary of unbilled recievlables, allowance for credit losses

The change in allowance for credit loss is as follows (in thousands):

Balance at January 1, 2020	$	(1,228)
Provision for credit losses	(506)
Write-offs	391
Recoveries	—
Balance at March 31, 2020	$	(1,343)