Leases - Additional Information (Details) - USD ($)	1 Months Ended				3 Months Ended		6 Months Ended
	Nov. 30, 2021	Sep. 30, 2021	Mar. 31, 2021	Feb. 28, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	May 01, 2021
Lessee Lease Description [Line Items]
Operating lease right-of-use assets					$ 2,440,000		$ 2,440,000		$ 2,722,000
Operating lease, liability					$ 2,575,000		$ 2,575,000
Operating lease, weighted average discount rate					5.40%		5.40%
Operating lease, weighted average remaining lease term					3 years 9 months 18 days		3 years 9 months 18 days
CALIFORNIA
Lessee Lease Description [Line Items]
Operating lease, lease not yet commenced, term of contract	4 years
Operating lease, lease not yet commenced, monthly lease payments	$ 2,200,000
Operating lease right-of-use assets					$ 0		$ 0
Operating lease, liability					$ 0		$ 0			$ 3,200,000
Operating sublease, lease not yet commenced, expiration period		2022-12
Amount paid as security deposit in connection with sublease included in prepaid expenses and other current assets		$ 1,100,000
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%		5.40%
Operating lease, weighted average remaining lease term					5 years		5 years
Lease expiration date		Jan. 31, 2022
Operating lease expense					$ 1,000,000.0	$ 300,000	$ 2,100,000	$ 500,000
Cash paid for lease liabilities							$ 300,000	$ 100,000
CALIFORNIA | Level Home, Inc.
Lessee Lease Description [Line Items]
Operating sublease, term of contract				8 months