Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information (Details)

v3.21.1
Supplemental Cash Flow Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Supplemental Cash Flow Information [Abstract]    
Costs relating to construction included in accounts payable and accrued expenses $ 15,849,000 $ 18,168,000
Dividends payable 0 35,108,000
Interest paid $ 14,125,000 $ 14,811,000