Investment in Real Estate - Real Estate by Property Type and Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Real Estate Properties [Line Items]
Development property	$ 164,623	$ 163,365
Operating property	241,249	241,011
Less: Accumulated depreciation	73,244	71,752
Total operating property, net	168,005	169,259
Investment in real estate, net	332,628	332,624
Residential real estate
Real Estate Properties [Line Items]
Development property	97,408	100,279
Operating property	7,344	7,344
Resorts and leisure
Real Estate Properties [Line Items]
Development property	5,709	4,131
Operating property	103,680	103,616
Commercial leasing and sales real estate
Real Estate Properties [Line Items]
Development property	56,756	53,896
Operating property	110,513	110,491
Forestry
Real Estate Properties [Line Items]
Development property	2,143	2,488
Operating property	19,662	19,510
Other
Real Estate Properties [Line Items]
Operating property	50	50
Corporate
Real Estate Properties [Line Items]
Development property	$ 2,607	$ 2,571

Income-Producing Depreciable Operating Property

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- Definition

Income Producing Depreciable Operating Property, Net of Accumulated Depreciation

+ References

No definition available.

+ Details

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- Definition

The current amount of expenditures for a real estate project that has not yet been completed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.10)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(3))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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