Supplemental Cash Flow Information (Reconciliation of Cash, Cash Equivalents and Restricted Cash to Statement of Cash Flows) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Information [Abstract]
Cash and cash equivalents	$ 59,133	$ 352,867
Restricted cash	29,486	3,810
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$ 88,619	$ 356,677	$ 108,308