Acquisitions, Acquired Intangible Assets, and Goodwill - Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 4,226	$ 2,823
Accumulated amortization	(1,301)	(592)
Net carrying amount	2,925	2,231
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,194	1,194
Accumulated amortization	(266)	(66)
Net carrying amount	928	1,128
Trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	68	68
Accumulated amortization	(30)	(3)
Net carrying amount	38	65
Capitalized internal-use software
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	2,964	1,561
Accumulated amortization	(1,005)	(523)
Net carrying amount	$ 1,959	$ 1,038