Commitments and Contingencies - Additional Information (Details) - USD ($)	1 Months Ended					12 Months Ended
	Sep. 30, 2022	Nov. 30, 2021	Sep. 30, 2021	Mar. 31, 2021	Feb. 28, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	May 01, 2021
Commitments And Contingencies [Line Items]
Operating lease right-of-use assets						$ 2,151,000	$ 2,722,000
Operating lease, liability						$ 2,285,000
Operating lease, weighted average discount rate						5.40%
Operating lease, weighted average remaining lease term						3 years 3 months 18 days
CALIFORNIA
Commitments And Contingencies [Line Items]
Operating lease, lease not yet commenced, term of contract		4 years
Operating lease, lease not yet commenced, monthly lease payments	$ 6,800,000	$ 2,200,000
Operating lease right-of-use assets						$ 0			$ 3,200,000
Operating lease, liability						$ 0			$ 3,200,000
Operating sublease, lease not yet commenced, expiration period	2025-07		2022-12
Amount paid as security deposit in connection with sublease included in prepaid expenses and other current assets			$ 1,100,000
Amount paid as deposit in connection with sublease included in other assets	$ 2,100,000
Operating lease, lease commenced, term of contract				5 years
Operating lease, lease commenced, expiration period				2026-04
Operating lease, weighted average discount rate						5.40%
Operating lease, weighted average remaining lease term						5 years
Operating sublease, term of contract	30 months
Lease expiration date			Jan. 31, 2022
Cash paid for lease liabilities						$ 700,000	300,000
Lease expense						$ 4,000,000.0	$ 1,300,000	$ 200,000
CALIFORNIA | Level Home, Inc.
Commitments And Contingencies [Line Items]
Operating sublease, term of contract					8 months