Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plan (Notes)

Employee Benefit Plan (Notes)
12 Months Ended
Dec. 31, 2020
Employee Benefit Plan [Abstract]  
Compensation and Employee Benefit Plans [Text Block] Employee Benefit Plan
The Company sponsors a qualified defined contribution plan covering substantially all employees. Under the defined contribution plan, the Company contributes 25.0% of the employee’s contribution up to a maximum of 6.0% of annual compensation, subject to certain limits. The Company contributed approximately $1,683, $1,554 and $1,311 for the years ended December 31, 2020, 2019 and 2018, respectively.