Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Activity (Details)

v3.20.2
Summary of Significant Accounting Policies - Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Accounting Policies [Abstract]          
Finance Lease, Right-of-Use Asset, after Accumulated Amortization $ 39,463   $ 39,463   $ 34,691
Operating Lease, Right-of-Use Asset 337,774   337,774   $ 337,842
Finance Lease, Right-of-Use Asset, Amortization $ (921) $ (874) $ (2,404) $ (2,446)