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Accounts Payable and Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2021
Payables and Accruals [Abstract]  
Accounts payable and accrued expenses Accounts payable and accrued expenses consisted of the following as of September 30, 2021 and December 31, 2020 (amounts in thousands):
September 30, 2021December 31, 2020
Accrued capital expenditures$53,956 $58,057 
Accounts payable and accrued expenses32,101 32,309 
Interest rate swap agreement liability4,887 8,849 
Accrued interest payable3,397 3,219 
Due (from) to affiliated companies(125)769 
     Total accounts payable and accrued expenses$94,216 $103,203