Intangible Assets, Net - Intangible Assets Other than Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross amount	$ 5,097	$ 802
Accumulated amortization	(35)	(6)
Net intangible assets	5,062us-gaap_FiniteLivedIntangibleAssetsNet	796us-gaap_FiniteLivedIntangibleAssetsNet
Software and Website [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	3 years
Gross amount	814	802
Accumulated amortization	(18)	(6)
Net intangible assets	796	796
Lease Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	6 years
Gross amount	2,137
Accumulated amortization	(12)
Net intangible assets	2,125
Non-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	10 years
Gross amount	1,346
Accumulated amortization	(3)
Net intangible assets	1,343
Customer Relationship [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	10 years
Gross amount	800
Accumulated amortization	(2)
Net intangible assets	$ 798

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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