Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2022

Credit Loss [Abstract]

Accounts Receivable, Allowance for Credit Loss

The following table sets forth the Company's allowance for credit losses:

(in thousands)	2022		2021
Balance as of January 1	$	17,475	$	33,368
Acquisitions	—		2,733
Additions (1)	3,239		2,018
Deductions (2)	(2,953)		(3,318)
Balance as of March 31 (3)	$	17,761	$	34,801

(1)    For the three months ended March 31, 2022 and 2021, represents provision for bad debt expense of $3.2 million and $2.0 million, respectively, which is included in General and administrative expense.

(2)    For the three months ended March 31, 2022 and 2021, represents amounts written off as uncollectible, net of recoveries.

(3)    As of March 31, 2022, $17.7 million of the allowance is attributable to Accounts receivable and $0.1 million is attributable to Contract assets. As of March 31, 2021, $34.6 million of the allowance is attributable to Accounts receivable and $0.2 million is attributable to Contract assets.