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Employee Benefit Plans (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Employee Benefit Plan (Textual) [Abstract]      
Employees annual compensation 3.00%    
Safe Harbor match $ 1,400,000 $ 1,400,000 $ 1,100,000
Discretionary matching contributions 1,800,000 $ 1,700,000 $ 1,400,000
No additional discretionary contributions $ 0