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Supplemental Cash Flow Information (Tables)
6 Months Ended
Jun. 30, 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
 June 30, 2021June 30, 2020
Costs relating to construction included in accounts payable and accrued expenses$16,790 $22,106 



Interest paid, net of interest capitalized was as follows (in thousands):
Six months ended June 30,
20212020
Interest paid$25,559 $29,749