Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.19.3.a.u2
Related Party Transactions (Details)
¥ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 02, 2019
USD ($)
Apr. 30, 2019
USD ($)
Jun. 30, 2019
CNY (¥)
Jun. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jan. 01, 2019
Jun. 30, 2018
CNY (¥)
Jun. 30, 2018
USD ($)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2017
USD ($)
Related Party Transaction [Line Items]                          
Restricted Cash, Current           $ 0 $ 13,970,000            
Escrow deposit paid $ 14,000,000.0                        
Payments to Noncontrolling Interests   $ 3,900,000       17,880,000 0 $ 0          
Note payable to related party                       ¥ 97.6 $ 14,200,000
Interest expense on note payable to related party           $ 0 0 $ 429,000          
Due from Joint Ventures                   ¥ 341.3 $ 53,300,000    
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders     ¥ 136.5       21,332,000            
Dividends       $ 32,000,000.0                  
Non-controlling Interest [Member]                          
Related Party Transaction [Line Items]                          
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders         $ 20,000,000.0   $ (21,332,000)            
Swire                          
Related Party Transaction [Line Items]                          
Ownership percentage           60.00%     60.00%