401 (K) Savings Plan	12 Months Ended
	Dec. 31, 2020
Profit Sharing And Savings Plan [Abstract]
401(K) Savings Plan	401(k) Savings PlanThe Company has a savings plan under Section 401(k) of the Internal Revenue Code. The plan allows employees to contribute up to 100% of pretax compensation subject to Internal Revenue Code limitations. The Company matches a percentage of employees’ contributions. Matching contributions totaled $303,000, $296,000 and $281,000 for the years ended December 31, 2020, 2019 and 2018, respectively.