Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information (Details)

v3.20.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Supplemental Cash Flow Information [Abstract]    
Costs relating to construction included in accounts payable and accrued expenses $ 18,168 $ 12,791
Dividends payable 35,108 35,199
Interest paid $ 14,811 $ 16,022