Investments in Real Estate - Schedule of Land Held for Development (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) a	Dec. 31, 2023 USD ($)
Real Estate [Line Items]
Approx. Developable Acres | a	450
GAAP Investment Balance as of period end	$ 81,034	$ 80,743
LXP Amount Funded as of period end	$ 80,649
Reems & Olive | Phoenix, AZ
Real Estate [Line Items]
Project (% owned)	95.50%
Approx. Developable Acres | a	320
GAAP Investment Balance as of period end	$ 73,973
LXP Amount Funded as of period end	$ 74,610
Mt. Comfort Phase II | Indianapolis, IN
Real Estate [Line Items]
Project (% owned)	80.00%
Approx. Developable Acres | a	116
GAAP Investment Balance as of period end	$ 5,329
LXP Amount Funded as of period end	$ 4,284
ATL Fairburn JV | Atlanta, GA
Real Estate [Line Items]
Project (% owned)	100.00%
Approx. Developable Acres | a	14
GAAP Investment Balance as of period end	$ 1,732
LXP Amount Funded as of period end	$ 1,755