Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Accounting Policies - Acquisition of Noncontrolling Interest (Details)

v3.19.3
Basis of Presentation and Accounting Policies - Acquisition of Noncontrolling Interest (Details) - USD ($)
$ in Thousands
9 Months Ended
Aug. 02, 2019
Sep. 30, 2019
Sep. 30, 2018
Acquisition of Noncontrolling Interest [Line Items]      
Payments to Acquire Additional Interest in Subsidiaries   $ 107,692 $ 0
SEA-Vista      
Acquisition of Noncontrolling Interest [Line Items]      
Noncontrolling interest, ownership percentage by noncontrolling owners 49.00%    
Stock Issued During Period, Shares, Acquisitions 1,500,000    
Payments to Acquire Additional Interest in Subsidiaries $ 107,700