Investment in Real Estate - Real Estate by Property Type and Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Real estate properties
Investment in real estate, net	$ 741,455	$ 690,113
Operating property, net related to operating leases	228,500	230,000
Development property
Real estate properties
Investment in real estate, net	379,896	348,656
Development property \| Other
Real estate properties
Investment in real estate, net	3,261	3,232
Development property \| Residential real estate \| Operating Segments
Real estate properties
Investment in real estate, net	125,784	122,404
Development property \| Hospitality \| Operating Segments
Real estate properties
Investment in real estate, net	146,298	137,089
Development property \| Commercial leasing and sales \| Operating Segments
Real estate properties
Investment in real estate, net	104,553	85,931
Operating property
Real estate properties
Operating property	451,773	428,623
Less: Accumulated depreciation	90,214	87,166
Investment in real estate, net	361,559	341,457
Operating property \| Other
Real estate properties
Operating property	128	127
Operating property \| Residential real estate \| Operating Segments
Real estate properties
Operating property	13,253	13,253
Operating property \| Hospitality \| Operating Segments
Real estate properties
Operating property	144,857	124,449
Operating property \| Commercial leasing and sales \| Operating Segments
Real estate properties
Operating property	$ 293,535	$ 290,794

Amount, after accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919398-209981

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123405975&loc=d3e41551-112718

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- Definition

The cumulative amount of depreciation for real estate property held for investment purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(3))
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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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