Benefit Plans (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Benefit Plans [Abstract]
Employer contributions to profit-sharing plan	$ 0	$ 0	$ 0
Expense related to new 401(k) plan	800,000	$ 800,000	$ 700,000
Stop loss coverage on self-insured plan	$ 120,000