Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details)

v3.19.3.a.u2
Supplemental Cash Flow Information - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Supplemental Cash Flow Elements [Abstract]        
Cash and cash equivalents $ 64,615 $ 133,714 $ 128,273  
Non-current restricted cash 3,867 49,875 0  
Total cash, cash equivalents and restricted cash in the statement of cash flows $ 68,482 $ 183,589 $ 128,273 $ 21,398