Employee Benefit Plans - 401(K) Saving And Retirement Plan (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Non Employee Director
Employee Benefit Plan Compensation
Granted (in shares)	2,653	14,833
Compensation cost	$ 85	$ 56
Savings And Retirement Plan 401 K
401(K) Savings & Retirement Plan
Percent of salary employee is permitted to contribute	100.00%
Vesting period	3 years
Common stock, shares issued	12,513	133,250
Total expense (including issuance of shares)	$ 1,300	$ 529