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Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Jan. 01, 2020
Dec. 31, 2019
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
ROU asset   $ 119,774  
Lease liabilities   $ 138,766  
Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
ROU asset     $ 94,200
Lease liabilities     118,900
Right-of-use asset reclassification adjustment     $ 24,700
Forecast | Subsequent Event | Minimum | Accounting Standards Update 2016-13 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
ACL to loans ratio 0.98%    
Forecast | Subsequent Event | Maximum | Accounting Standards Update 2016-13 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
ACL to loans ratio 1.04%