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Investments (Tables)
12 Months Ended
Dec. 31, 2017
Investments [Abstract]  
Schedule of Direct Financing Future Minimum Lease Payments for Capital Leases
The following is a schedule of the direct financing minimum lease payments for the years 2017 and thereafter:
 
 
Minimum Lease Payments
2018
 
$
150

2019
 
585

 
 
$
735

Schedule Of Carrying Amount And Maximum Loss Exposure Of Equity Investments
The carrying amounts with the maximum exposure to loss of the Company at December 31, 2017 and 2016, respectively, are as follows:
 
 
2017
 
2016
LB Pipe JV equity method investment
 
$
3,875

 
$
3,902

Revolving line of credit
 
1,235

 
1,235

Net investment in direct financing lease
 
735

 
871

 
 
$
5,845

 
$
6,008