Real Estate Intangibles (Schedule of Future Estimated Aggregate Amortization of Intangible Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets
2021	$ 78,160
2022	43,726
2023	34,071
2024	26,524
2025	21,324
Thereafter	118,712
Net book value	322,517	$ 435,893
Liabilities
2021	7,993
2022	7,320
2023	5,158
2024	3,049
2025	2,482
Thereafter	10,978
Net book value	$ 36,980	$ 49,645

Amount of amortization income for leases with a finite life acquired as part of a real property acquisition at below market lease rate expected to be recognized in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.