XML 58 R47.htm IDEA: XBRL DOCUMENT v3.23.3
Real Estate Intangibles - Summary of Real Estate Intangibles Excluding those Classified as Held For Sale (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Assets:    
Gross historical cost $ 1,961,799 $ 1,945,458
Accumulated amortization (1,575,962) (1,484,048)
Net book value 385,837 461,410
Liabilities:    
Below market tenant leases 71,087 77,985
Accumulated amortization (47,171) (52,701)
Net book value 23,916 25,284
In place lease intangibles    
Assets:    
Gross historical cost 1,805,745 1,817,580
Above market tenant leases    
Assets:    
Gross historical cost 66,707 57,203
Lease commissions    
Assets:    
Gross historical cost $ 89,347 $ 70,675