Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (9,619)	$ (8,808)
Total fixed assets, net	4,688	6,215
Capitalized software	22,454	18,909
Less: accumulated amortization	(15,012)	(11,873)
Total capitalized software, net	7,442	7,036
Property and equipment, net	12,130	13,251
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,623	9,538
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	638	597
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,046	$ 4,888

Cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land or leased assets).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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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.

+ References

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

+ References

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Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets excluding assets held under lease agreements 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, furniture and fixtures, and computer equipment.

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