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Accounts Payable and Accrued Expenses (Tables)
3 Months Ended
Mar. 31, 2021
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Expenses Accounts payable and accrued expenses consisted of the following as of March 31, 2021 and December 31, 2020 (amounts in thousands):
March 31, 2021December 31, 2020
Accrued capital expenditures$60,536 $58,057 
Accounts payable and accrued expenses30,032 32,309 
Interest rate swap agreements liability7,450 8,849 
Accrued interest payable3,436 3,219 
Due to affiliated companies927 769 
     Total accounts payable and accrued expenses$102,381 $103,203