Leases - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021	Dec. 31, 2020	Jan. 01, 2020
Lessee Lease Description [Line Items]
Operating lease liability to be paid in remainder of fiscal year		$ 281,000		$ 281,000
Right-of-use asset		3,045,000		3,045,000			$ 210,000	$ 300,000
Operating lease, liability		3,051,000		3,051,000
Operating lease expense		319,000	$ 6,000	460,000	$ 28,000
California
Lessee Lease Description [Line Items]
Operating lease liability to be paid in remainder of fiscal year		$ 50,391		$ 50,391
Operating lease, term of contract		12 months 15 days		12 months 15 days
Operating lease, lease not yet commenced, term of contract						5 years
Operating lease, lease not yet commenced, monthly lease payments				$ 57,638
Operating lease, lease not yet commenced, rate of annual increases to rent		3.00%		3.00%
Right-of-use asset		$ 3,200,000		$ 3,200,000
Operating lease, liability		$ 3,200,000		$ 3,200,000
Operating lease, weighted average discount rate		5.40%		5.40%
Operating lease, weighted average remaining lease term		5 years		5 years
California | Level Home, Inc.
Lessee Lease Description [Line Items]
Operating sublease, term of contract	8 months
Monthly rental payment	$ 38,766