Goodwill and Acquired Intangible Assets - Summary of Changes in Goodwill (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 9,794
Goodwill resulting from PolicyFuel acquisition	11,532
Goodwill, Ending Balance	21,501
Eversurance, LLC [Member]
Goodwill [Line Items]
Final adjustment to Eversurance purchase price allocation	$ 175

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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