Accounts Receivable

3 Months Ended

Mar. 31, 2022

Receivables [Abstract]

Accounts Receivable

3. Accounts Receivable

Accounts receivable consisted of the following:

(in thousands)	March 31, 2023			December 31, 2022
Accounts receivable	$	114,044		$	87,306
Allowance for doubtful accounts		(4,155	)		(4,220	)
Total accounts receivable, net	$	109,889		$	83,086

Balances billed but not paid by customers under retainage provisions in contracts within the Condensed Consolidated Balance Sheets amounted to approximately $1.5 million and $1.6 million at March 31, 2023 and December 31, 2022, respectively. Retainage receivables on contracts in progress are generally collected within a year or two subsequent to contract completion, and are recorded in either "Accounts receivable, net" or "Deferred charges and other assets" within the Condensed Consolidated Balance Sheets depending on timing of expected collection.

Provision for credit losses was $0.1 million and zero for the three months ended March 31, 2023 and 2022, respectively.