Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 187,340	$ 161,524
Less: accumulated depreciation	(96,102)	(85,288)
Total	91,238	76,236
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	100,549	92,493
Furniture, equipment and building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,660	16,487
Internal-use software development costs
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 70,131	$ 52,544

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

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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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