XML 43 R32.htm IDEA: XBRL DOCUMENT v3.4.0.3

Prepaid Expenses and Other Assets - Additional Information (Detail) $ in Thousands	1 Months Ended	3 Months Ended
	Jan. 31, 2016 USD ($)	Mar. 31, 2016 USD ($) a
Proceeds from sales of property, plant and equipment		$ 4,249
Olive Branch Assets [Member]
Area of land own | a		62
Proceeds from sales of property, plant and equipment	$ 4,200

X

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

Name:	us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=trex_OliveBranchAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: