Leases - Additional Information (Details) - USD ($)	1 Months Ended				3 Months Ended
	Nov. 30, 2021	Sep. 30, 2021	Mar. 31, 2021	Feb. 28, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	May 01, 2021
Lessee Lease Description [Line Items]
Operating lease liability to be paid in remainder of fiscal year					$ 533,000
Operating lease right-of-use assets					2,582,000		$ 2,722,000
Operating lease, liability					$ 2,715,000
Operating lease, weighted average discount rate					5.40%
Operating lease, weighted average remaining lease term					4 years 1 month 6 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
Operating lease, liability					$ 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%
Operating lease, weighted average remaining lease term					5 years
Lease expiration date		Jan. 31, 2022
Operating lease expense					$ 1,100,000	$ 100,000
Cash paid for lease liabilities					$ 200,000	$ 0
CALIFORNIA | Level Home, Inc.
Lessee Lease Description [Line Items]
Operating sublease, term of contract				8 months