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Summary of Significant Accounting Policies (Details Narrative)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
USD ($)
Number
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Number
$ / shares
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Number
Income tax expense (benefit) | $ $ 17,409 $ 15,484 $ 50,109 $ 44,966  
Risk Level, High [Member] | Eagle Commercial Ventures, LLC [Member]          
Number of higher risk lending transactions outstanding | Number 3   3   3
Loans receivable, net | $ $ 9,500   $ 9,500   $ 9,300
Banking Services [Member]          
Number of locations | Number 21   21    
Lending Services [Member]          
Number of locations | Number 5   5    
Accounting Standards Update 2016-09 [Member]          
Income tax expense (benefit) | $     $ 460    
Earnings per share, basic and diluted (in dollars per share) | $ / shares     $ 0.01    
Minimum [Member]          
Days from commitment to closing     30 days    
Minimum [Member] | Furniture, Fixtures and Equipment [Member]          
Property, plant and equipment, useful life     3 years    
Minimum [Member] | Building Improvements [Member]          
Property, plant and equipment, useful life     5 years    
Minimum [Member] | Computer Software [Member]          
Property, plant and equipment, useful life     3 years    
Maximum [Member]          
Days from commitment to closing     90 days    
Maximum [Member] | Furniture, Fixtures and Equipment [Member]          
Property, plant and equipment, useful life     7 years    
Maximum [Member] | Building Improvements [Member]          
Property, plant and equipment, useful life     20 years    
Maximum [Member] | Computer Software [Member]          
Property, plant and equipment, useful life     5 years