Revenue Recognition and Related Balance Sheet Accounts (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Revenue Disaggregated by Geographic Location and Contract Type

The following tables present Quanta’s revenue disaggregated by contract type and by geographic location, as determined by the job location (in thousands):

	Three Months Ended March 31,
	2022				2021
By contract type:
Fixed price contracts	$	1,689,635	42.6	%	$	1,064,247	39.4	%
Unit-price contracts	1,357,602		34.2	%	976,562		36.1	%
Cost-plus contracts	918,288		23.2	%	662,772		24.5	%
Total revenues	$	3,965,525	100.0	%	$	2,703,581	100.0	%

	Three Months Ended March 31,
	2022				2021
By primary geographic location:
United States	$	3,323,969	83.8	%	$	2,206,116	81.6	%
Canada	550,905		13.9	%	413,846		15.3	%
Australia	55,201		1.4	%	55,107		2.0	%
Others	35,450		0.9	%	28,512		1.1	%
Total revenues	$	3,965,525	100.0	%	$	2,703,581	100.0	%

Contract Assets and Liabilities

Contract assets and liabilities consisted of the following (in thousands):

	March 31, 2022		December 31, 2021
Contract assets	$	975,342	$	803,453
Contract liabilities	$	800,578	$	802,872

Composition of the Allowance for Credit Losses

Activity in Quanta’s allowance for credit losses consisted of the following (in thousands):

	Three Months Ended
	March 31,
	2022		2021
Balance at beginning of period	$	49,749	$	16,546
Provision for credit losses	133		43
Direct write-offs charged against the allowance (recoveries of uncollectible receivables)	34		(140)
Balance at end of period	$	49,916	$	16,449