Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents	$ 156,909	$ 324,801	$ 427,142
Restricted cash	20,192	20,774	106,770
Total Cash and cash equivalents and Restricted cash shown in the Consolidated Statements of Cash Flows	$ 177,101	$ 345,575	$ 533,912