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Real Estate Held for Sale - Schedule of Carrying Value and Fair Value of Real Estate Held for Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Real Estate [Abstract]
Building	$ 720
Building improvements	276
Building land	380
Additional land	653
Total	2,029
Estimated sales price of building and land	800
Estimated sales price of additional land	275
Estimated cost to sell	(100)
Estimated net proceeds	975
Loss recognized on real estate assets held for sale	$ 1,054

X

- Definition

Estimated sales price of additional land.

+ References

No definition available.

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- Definition

Estimated cost to sell.

+ References

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- Definition

Estimated net proceeds.

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- Definition

Estimated sales price of building and land.

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- Definition

Aggregate of the carrying amounts as of the balance sheet date of investments in building.

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- Definition

Realizable value for additional land

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- Definition

Amount of gain (loss) on sale or disposal of oil and gas property or timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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- Definition

Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

+ 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(d))
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- Definition

Carrying value of land held for sale.

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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.(a),1(d))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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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.

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-SubTopic 210
-Section S99
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