Leases - Additional Information (Details)	3 Months Ended
	Mar. 31, 2021 USD ($) Lease	Dec. 31, 2020 USD ($)
Lessee Lease Description [Line Items]
Operating leases term of expiration	2025-10
Operating leases, renewal term	1 year
Number of operating leases entered | Lease	1
Long-term lease ROU assets	$ 928,000	$ 828,000
Short-term lease liabilities	437,000	267,000
Long-term lease liabilities	$ 499,000	$ 568,000
Lessee operating lease extended lease term	2 years
Lessee operating lease extended lease term expiration date	Jan. 31, 2023
Lease income	$ 157,000
Building | Minimum
Lessee Lease Description [Line Items]
Remaining terms including renewal options	1 month
Building | Maximum
Lessee Lease Description [Line Items]
Remaining terms including renewal options	3 years 9 months
One Operating Lease
Lessee Lease Description [Line Items]
Long-term lease ROU assets	$ 368,000
Short-term lease liabilities	125,000
Long-term lease liabilities	$ 243,000