Allowance for Credit Losses (Tables)

6 Months Ended

Jun. 30, 2021

Credit Loss [Abstract]

Accounts Receivable, Allowance for Credit Loss

The following table sets forth the Company's allowance for credit losses (in thousands):

	2021		2020
Balance as of January 1	$	33,368	$	26,828
Sensis Acquisition, balance as of March 1, 2021	2,733		—
Additions (1)	292		22,436
Deductions (2)	(14,787)		(12,635)
Balance as of June 30 (3)	$	21,606	$	36,629

(1)    For the six months ended June 30, 2021, represents provision for bad debt expense of $0.3 million which is included in General and administrative expense. For the three months ended June 30, 2021, the Company recorded a benefit for bad debt expense of $(1.7) million. For the six months ended June 30, 2020, the Company recorded a provision for bad debt expense of $22.4 million. For the three months ended June 30, 2020, the provision for bad debt expense was $11.8 million.

(2)    For the six months ended June 30, 2021 and 2020, represents amounts written off as uncollectible, net of recoveries.

(3)    As of June 30, 2021, $21.4 million of the allowance is attributable to Accounts receivable and $0.2 million is attributable to Contract assets. As of June 30, 2020, $36.2 million of the allowance is attributable to Accounts receivable and $0.4 million is attributable to Contract assets.