Fair Values of Financial Instruments - Recurring (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets measured on a recurring basis
Total Investment Securities	$ 4,591	$ 5,329
Mortgage-Backed Securities | FHLMC
Assets measured on a recurring basis
Total Investment Securities	2,426	2,767
SBA 7a Pools
Assets measured on a recurring basis
Total Investment Securities	2,165	2,562
Level 2
Assets measured on a recurring basis
Total Investment Securities	4,591	5,329
Level 2 | Mortgage-Backed Securities | FHLMC
Assets measured on a recurring basis
Total Investment Securities	2,426	2,767
Level 2 | SBA 7a Pools
Assets measured on a recurring basis
Total Investment Securities	$ 2,165	$ 2,562