Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents	$ 293,835	$ 324,801	$ 561,330
Restricted cash	20,607	20,774	106,633
Total Cash and cash equivalents and Restricted cash shown in the Consolidated Statements of Cash Flows	$ 314,442	$ 345,575	$ 667,963