TopBuild Corp. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Accounting Policies (Policies)
Notes Tables
Notes Details

Business Combinations - Contingent Consideration (Details)

v3.10.0.1

Business Combinations - Contingent Consideration (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2018 USD ($)	Sep. 30, 2018 USD ($) item	Jan. 10, 2018 USD ($)	Feb. 27, 2017 USD ($)
EcoFoam
Contingent Consideration
Contingent consideration, payment period		3 years
Contingent consideration, high end of range		$ 2,500
EcoFoam \| Contingent Consideration \| Level 3
Contingent Consideration
Business Combination, Contingent Consideration, Liability, Measurement Input [Extensible List]		us-gaap:MeasurementInputDiscountRateMember
Discount rate (as a percent) \| item		0.095
Fair value of contingent consideration recognized at acquisition date				$ 2,110
Fair value of contingent consideration
Contingent consideration at beginning of period		$ 2,259
Change in fair value of contingent consideration		120
Settlement of contingent consideration	$ (800)	(841)
Liability balance for contingent consideration at end of period		$ 1,538
ADO
Contingent Consideration
Contingent consideration, payment period		2 years
Contingent consideration, low end of range		$ 0
Contingent consideration, high end of range		$ 1,000
ADO \| Contingent Consideration \| Level 3
Contingent Consideration
Business Combination, Contingent Consideration, Liability, Measurement Input [Extensible List]		us-gaap:MeasurementInputDiscountRateMember
Discount rate (as a percent) \| item		0.095
Fair value of contingent consideration recognized at acquisition date			$ 828
Fair value of contingent consideration
Additions		$ 828
Change in fair value of contingent consideration		(493)
Liability balance for contingent consideration at end of period		$ 335

- Definition

The payment period related to the contingent consideration arrangement.

+ References

No definition available.

+ Details

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Namespace Prefix:	bld_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of financial instrument classified as a liability on the acquisition date measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

+ Details

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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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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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Period Type:	instant

- Definition

For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Value of input used to measure contingent consideration liability from business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Indicates measurement input for business combination contingent consideration liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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Data Type:	srt-types:extensibleListItemType
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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