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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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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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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Property, Equipment, and Software (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, equipment, and software, Gross	$ 23,478		$ 23,478		$ 13,801
Less: Accumulated depreciation and amortization	(15,822)		(15,822)		(9,208)
Property, equipment, and software, net	7,656		7,656		4,593
Depreciation and amortization	4,431	$ 3,104	10,787	$ 5,021
Software and computer equipment
Property, Plant and Equipment [Line Items]
Property, equipment, and software, Gross	1,740		1,740		1,381
Furniture, office equipment and other
Property, Plant and Equipment [Line Items]
Property, equipment, and software, Gross	1,908		1,908		567
Internally developed software
Property, Plant and Equipment [Line Items]
Property, equipment, and software, Gross	18,718		18,718		10,741
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, equipment, and software, Gross	1,112		1,112		$ 1,112
Property equipment software
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 1,448	$ 963	$ 3,744	$ 2,880