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Real Estate Investment - Property Acquisition (Details) - USD ($) $ in Thousands	Feb. 26, 2021	Mar. 31, 2021	Dec. 31, 2020
Mezzanine Loan
Real Estate Properties [Line Items]
Notes receivable		$ 125,829	$ 128,576
Delray Beach Plaza
Real Estate Properties [Line Items]
Consideration transferred	$ 27,600
Acquisition related costs	$ 200
Delray Beach Plaza \| Mezzanine Loan
Real Estate Properties [Line Items]
Notes receivable		$ 0	$ 14,289