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Goodwill and Other Intangibles (Tables)
 12 Months Ended
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table presents goodwill by reportable segment:
 
 
December 31,
2019
 
December 31,
2018
Goodwill
 
 
 
 
Heavy Civil
 
$
54,806

 
$
54,806

Specialty Services
 
106,661

 
—

Residential
 
30,425

 
30,425

Total Goodwill
 
$
191,892

 
$
85,231
Schedule of Finite-Lived Intangible Assets
The following table presents our acquired finite-lived intangible assets, including the weighted-average useful lives for each major intangible asset category and in total:
 
 
 
December 31, 2019
 
December 31, 2018
 
Weighted
Average
Life (Years)
 
Gross
Carrying
Amount
 

Accumulated
Amortization
 
Gross
Carrying
Amount
 

Accumulated
Amortization
Customer relationships
25
 
$
232,623

 
$
(6,911
)
 
$
40,823

 
$
(3,159
)
Trade name
23
 
30,107

 
(1,692
)
 
5,307

 
(919
)
Non-compete agreements
5
 
2,487

 
(291
)
 
487

 
(121
)
Total
24
 
$
265,217

 
$
(8,894
)
 
$
46,617

 
$
(4,199
)