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Goodwill and Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Intangible assets consist of the following:
 
March 31, 2019
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net
 
Remaining Useful Life (Years)
Disposal permits
$
581

 
$
(205
)
 
$
376

 
5.3
Trade name
799

 
(178
)
 
621

 
1.8
Total intangible assets
$
1,380

 
$
(383
)
 
$
997

 
3.1

 
December 31, 2018
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net
 
Remaining Useful Life (Years)
Disposal permits
$
581

 
$
(180
)
 
$
401

 
5.5
Trade name
799

 
(88
)
 
711

 
2.0
Total intangible assets
$
1,380

 
$
(268
)
 
$
1,112

 
3.2