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Description of Business and Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles
The reconciliation of amounts previously reported to the revised amounts upon adoption are as follows:
Six Months Ended June 30, 2017
 
Previously reported
 
Adjustments
 
As revised
 
 
 
 
 
 
 
Operating activities
 
$
(371
)
 
$
218

 
$
(153
)
Financing activities
 
$
(261
)
 
$
7,814

 
$
7,553

Net change in cash, cash equivalents, and restricted cash (1)
 
$
(9,820
)
 
$
(8,032
)
 
$
(1,788
)
(1) Previously titled: net change in cash and cash equivalents