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Assets Held for Sale (Tables)
9 Months Ended
Sep. 30, 2018
Discontinued Operations and Disposal Groups [Abstract]  
Disposal Groups, Including Discontinued Operations
The following table summarizes the carrying amount as of September 30, 2018 and December 31, 2017 of the major classes of assets from the modular construction and manufacturing plant, undeveloped land positions and Noralta’s corporate offices we classified as held for sale (in thousands):
 
 
September 30, 2018
 
December 31, 2017
Assets held for sale:
 
 
 
Property, plant and equipment, net
$
12,318

 
$
9,418

Inventories

 
44

Total assets held for sale
$
12,318

 
$
9,462