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Revenue (Tables)
3 Months Ended
Mar. 31, 2022
Revenue  
Schedule of contract assets

Contract assets consist of the following (in thousands):

March 31, 

December 31, 

    

2022

    

2021

Unbilled revenue

$

317,880

$

283,767

Retention receivable

134,189

124,990

Contract materials (not yet installed)

 

17,849

 

14,902

$

469,918

$

423,659

Schedule of contract liabilities

Contract liabilities consist of the following (in thousands):

March 31, 

December 31, 

    

2022

    

2021

Deferred revenue

$

281,826

$

234,352

Accrued loss provision

 

10,595

 

6,060

$

292,421

$

240,412

Schedule of revenue disaggregation by various categories

The following tables present our revenue disaggregated into various categories.

MSA and Non-MSA revenue was as follows (in thousands):

For the three months ended March 31, 2022

Segment

    

MSA

    

Non-MSA

    

Total

Utilities

$

290,366

$

68,362

$

358,728

Energy/Renewables

45,234

313,816

359,050

Pipeline

 

13,695

52,911

66,606

Total

$

349,295

 

$

435,089

 

$

784,384

For the three months ended March 31, 2021

Segment

MSA

    

Non-MSA

    

Total

Utilities

$

277,967

 

$

57,045

 

 

335,012

Energy/Renewables

42,586

310,278

352,864

Pipeline

 

17,710

 

 

112,743

 

130,453

Total

$

338,263

 

$

480,066

 

$

818,329

Revenue by contract type was as follows (in thousands):

For the three months ended March 31, 2022

Segment

Fixed-price

Unit-price

Cost reimbursable (1)

Total

Utilities

$

31,517

$

242,309

$

84,902

$

358,728

Energy/Renewables

219,021

82,572

57,457

359,050

Pipeline

 

55,152

665

10,789

66,606

Total

$

305,690

 

$

325,546

 

$

153,148

 

$

784,384

(1)Includes time and material and cost reimbursable plus fee contracts.

For the three months ended March 31, 2021

Segment

Fixed-price

    

Unit-price

    

Cost reimbursable (1)

    

Total

Utilities

$

27,516

 

$

229,743

 

$

77,753

 

$

335,012

Energy/Renewables

188,234

78,743

85,887

352,864

Pipeline

 

113,157

 

 

665

 

 

16,631

 

 

130,453

Total

$

328,907

 

$

309,151

 

$

180,271

 

$

818,329

(1)Includes time and material and cost reimbursable plus fee contracts.