Real Estate Intangibles - Schedule of Future Estimated Aggregate Amortization of Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets
2021	$ 36,111
2022	112,533
2024	70,483
2024	33,451
2025	23,099
Thereafter	128,706
Net book value	404,383	$ 322,517
Liabilities
2021	1,962
2022	7,311
2023	5,179
2024	3,053
2025	2,524
Thereafter	11,570
Net book value	$ 31,599	$ 36,980

Amount of amortization income for lease with finite life acquired as part of real property acquisition at below market lease rate expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.