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Borrowings - Schedule of Maturities of Other Long-term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Long-term Debt, Fiscal Year Maturity [Abstract]    
Balance at End of Period $ 206,168 $ 127,522
Securities Sold under Agreements to Repurchase [Member]    
Long-term Debt, Fiscal Year Maturity [Abstract]    
Remainder of 2017 0  
2018 10,244  
2019 10,304  
2020 10,364  
2021 0  
Thereafter 0  
Balance at End of Period $ 30,912 $ 31,274
Long-term Debt, Other Disclosures [Abstract]    
Remainder of 2017 Weighted average interest rate 0.00%  
2018 Weighted average interest rate 1.06%  
2019 Weighted average interest rate 1.55%  
2020 Weighted average interest rate 1.56%  
2021 Weighted average interest rate 0.00%  
Thereafter Weighted average interest rate 0.00%  
Weighted average interest rate 1.39% 0.91%