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Accounts Payable and Accrued Expenses
6 Months Ended
Jun. 30, 2021
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Expenses Accounts Payable and Accrued Expenses
    Accounts payable and accrued expenses consisted of the following as of June 30, 2021 and December 31, 2020 (amounts in thousands):
June 30, 2021December 31, 2020
Accrued capital expenditures$52,891 $58,057 
Accounts payable and accrued expenses26,012 32,309 
Interest rate swap agreements liability6,176 8,849 
Accrued interest payable3,392 3,219 
Due to affiliated companies783 769 
     Total accounts payable and accrued expenses$89,254 $103,203