Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.1
Subsequent Events (Details) - Subsequent Event
$ / shares in Units, shares in Millions, MMBTU in Millions, $ in Millions
Apr. 23, 2019
MMBTU
Apr. 03, 2019
USD ($)
$ / shares
shares
Private Placement    
Subsequent Event [Line Items]    
Option to purchase additional shares of common stock (in shares) | shares   19.9
Cash purchase price (in dollars per share) | $ / shares   $ 10.06
Aggregate purchase price, net of offering costs | $   $ 200.0
Additional subsidiary investment acquisition (as a percentage)   7.20%
Company Subsidiary Investment | $   $ 1,000.0
Ownership percentage to maintain   20.00%
Minimum    
Subsequent Event [Line Items]    
Each cargo quantity (in MMBtu) | MMBTU 3.3  
Maximum    
Subsequent Event [Line Items]    
Each cargo quantity (in MMBtu) | MMBTU 3.6