Timber Assets (Details) (USD $)	12 Months Ended
Dec. 31, 2014 acre	Dec. 31, 2013 acre	Dec. 31, 2012 acre
Property, Plant and Equipment [Line Items]
Timberland, acres sold	3,761ctt_TimberlandAcresSold	1,167ctt_TimberlandAcresSold	6,016ctt_TimberlandAcresSold
Timberland, acres sold, value	$ 10,649,819us-gaap_SalesOfRealEstate	$ 2,498,757us-gaap_SalesOfRealEstate	$ 10,972,440us-gaap_SalesOfRealEstate
Basis of timberland sold	5,072,230us-gaap_RealEstateCostOfRealEstateSold	1,569,543us-gaap_RealEstateCostOfRealEstateSold	7,187,733us-gaap_RealEstateCostOfRealEstateSold
Net below-market lease assets	26,113	29,634
Timber Properties
Property, Plant and Equipment [Line Items]
Area of timberlands acquired		1,786	30,199
Payments to acquire timberland	235,200,000	1,400,000	20,500,000
Off-Market Favorable Lease
Property, Plant and Equipment [Line Items]
Amortization of intangible assets	$ 3,521	$ 85,766	$ 217,778

Area of Land, Acquired

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- Definition

Timberland, Acres Sold

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 50

-Paragraph 2

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- Definition

The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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- Definition

Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule III)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

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-Name Regulation S-X (SX)

-Number 210

-Section 04

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-Publisher FASB

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-Topic 970

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-28.4)

-URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024

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- Definition

Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Subparagraph (SX 210.5-03.1(e))

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