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Repurchase Agreements and Other Borrowings Repurchase Agreements and Other Borrowings (Tables)
9 Months Ended
Sep. 30, 2017
Debt Disclosure [Abstract]  
Schedule of Securities Financing Transactions [Table Text Block]
Collateral pledged by class for repurchase agreements are as follows (in thousands):
 
September 30, 2017
December 31, 2016
US Treasury securities and obligations of U.S. government corporations & agencies
$
88,435

$
100,526

Obligations of states and political subdivisions

1,173

Mortgage-backed securities: GSE: residential
27,925

84,064

Total
$
116,360

$
185,763