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Employee Benefit Plans (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Employee Benefit Plan (Textual) [Abstract]      
Employees annual compensation 3.00%    
Safe Harbor match $ 700,000 $ 600,000 $ 400,000
Discretionary matching contributions 900,000 800,000 500,000
No additional discretionary contributions $ 0 $ 0 $ 0