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Supplemental Cash Flow Information (Tables)
3 Months Ended
Mar. 31, 2021
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Expenditures included in accounts payable and accrued expenses were as follows (in thousands):
As ofAs of
 March 31, 2021March 31, 2020
Costs relating to construction included in accounts payable and accrued expenses$15,849 $18,168 

Dividends payable were as follows (in thousands):
As ofAs of
 March 31, 2021March 31, 2020
Dividends payable$— $35,108 


Interest paid, net of interest capitalized was as follows (in thousands):
Three months ended March 31,
20212020
Interest paid$14,125 $14,811