Equity Investees (Schedule of Balance Sheet Information for Equity Investees) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
ASSETS
Current assets	$ 853,047	$ 542,484
Fixed assets, net	4,096,573	3,912,185
TOTAL ASSETS	6,365,992	5,905,801
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities	709,107	496,939
TOTAL LIABILITIES, MEZZANINE CAPITAL AND PARTNERS’ CAPITAL	6,365,992	5,905,801
Equity Method Investment, Nonconsolidated Investee or Group of Investees
ASSETS
Current assets	44,471	33,994
Fixed assets, net	292,398	284,265
Other assets	27,287	21,327
TOTAL ASSETS	364,156	339,586
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities	21,563	15,457
Other liabilities	243,094	237,948
Equity	99,499	86,181
TOTAL LIABILITIES, MEZZANINE CAPITAL AND PARTNERS’ CAPITAL	$ 364,156	$ 339,586