Employee Profit Sharing Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Retirement Benefits [Abstract]
Percentage of employer's matching contributions to a defined contribution plan that vests	30.00%
Percentage of employees' gross pay for which employer contributes a matching contribution	10.00%
Contribution to employee compensation plan by employer	$ 0.4	$ 0.3