Intangible Asset - Related Party (Tables)
 9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets The carrying amount and accumulated amortization of the intangible asset as of September 30, 2017 and December 31, 2016 were as follows (in thousands):
 
September 30,
2017
 
December 31, 2016
Gross carrying amount
$
129,705

 
$
129,705

Accumulated amortization
(2,112
)
 
(2,112
)
Net book value
$
127,593

 
$
127,593