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Borrowings (Tables)
12 Months Ended
Dec. 31, 2017
Borrowings [Abstract]  
Schedule of Short-term Debt
Short-term debt is categorized as follows:

(in thousands)
December 31
 
2017
  
2016
 
Repurchase agreements
 
$
243,814
  
$
251,065
 
Federal funds purchased
  
7,312
   
4,816
 
Total short-term debt
 
$
251,126
  
$
255,881
 
Schedule of Long-term Debt
Long-term debt is categorized as follows:

(in thousands)
December 31
 
2017
  
2016
 
Junior subordinated debentures, 3.07%, due 6/1/37
 
$
59,341
  
$
61,341