Real Estate Intangibles - Schedule of Future Estimated Aggregate Amortization of Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
2021	$ 55,162
2022	44,266
2023	34,588
2024	26,981
2025	21,712
Thereafter	119,585
Net book value	302,294	$ 322,517
Liabilities
2021	5,945
2022	7,304
2023	5,153
2024	3,047
2025	2,482
Thereafter	10,978
Net book value	$ 34,909	$ 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.