Property, Equipment and Software, net (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Internally developed software	$ 20,836	$ 16,023
Computer equipment	8,817us-gaap_FixturesAndEquipmentGross	7,929us-gaap_FixturesAndEquipmentGross
Leasehold improvements	5,604us-gaap_LeaseholdImprovementsGross	4,802us-gaap_LeaseholdImprovementsGross
Purchased software	3,525	3,326
Furniture and fixtures	2,826us-gaap_FurnitureAndFixturesGross	2,405us-gaap_FurnitureAndFixturesGross
Construction in progress	814us-gaap_ConstructionInProgressGross	549us-gaap_ConstructionInProgressGross
Total property, equipment and software	42,422us-gaap_PropertyPlantAndEquipmentGross	35,034us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation and amortization	(11,127)	(7,983)
Property, equipment and software, net	$ 31,295us-gaap_PropertyPlantAndEquipmentNet	$ 27,051us-gaap_PropertyPlantAndEquipmentNet

Capitalized Software Development Costs For Internal Use Software

No definition available.

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines.

+ References

No definition available.

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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