Leases, Adoption ASU No. 2016-02 (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) Lease	Mar. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)
Assets and Liabilities, Lessee [Abstract]
Right-of-use asset | $	$ 1,364	$ 1,260	$ 751
Lease liability | $	$ 1,378	$ 1,277	$ 751
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities	Other Liabilities	Other Liabilities
Number of new leases | Lease	3
Number of leases extended | Lease	2