Quarterly report pursuant to Section 13 or 15(d)

SECURITIES, Continuous Unrealized Loss Position (Details)

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SECURITIES, Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months $ 108,660  
12 months or more 112,500  
Total 221,160  
Less than 12 months   $ 125,809
12 months or more   67,724
Total   193,533
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months (2,285)  
12 months or more (4,001)  
Total (6,286)  
Less than 12 months   (1,252)
12 months or more   (1,452)
Total   (2,704)
U.S. Treasury and Federal Agency Securities [Member]    
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months 22,389  
12 months or more 65,532  
Total 87,921  
Less than 12 months   50,614
12 months or more   43,787
Total   94,401
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months (559)  
12 months or more (2,082)  
Total (2,641)  
Less than 12 months   (439)
12 months or more   (876)
Total   (1,315)
U.S. Agency MBS and CMOs [Member]    
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months 15,616  
12 months or more 14,373  
Total 29,989  
Less than 12 months   16,719
12 months or more   6,228
Total   22,947
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months (368)  
12 months or more (692)  
Total (1,060)  
Less than 12 months   (249)
12 months or more   (170)
Total   (419)
Tax-Exempt State and Municipal Bonds [Member]    
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months 40,724  
12 months or more 7,131  
Total 47,855  
Less than 12 months   20,124
12 months or more   4,208
Total   24,332
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months (850)  
12 months or more (332)  
Total (1,182)  
Less than 12 months   (243)
12 months or more   (82)
Total   (325)
Taxable State and Municipal Bonds [Member]    
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months 22,538  
12 months or more 21,236  
Total 43,774  
Less than 12 months   30,331
12 months or more   9,781
Total   40,112
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months (445)  
12 months or more (771)  
Total (1,216)  
Less than 12 months   (279)
12 months or more   (265)
Total   (544)
Corporate Bonds and Other Debt Securities [Member]    
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months 7,393  
12 months or more 4,228  
Total 11,621  
Less than 12 months   8,021
12 months or more   2,250
Total   10,271
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months (63)  
12 months or more (124)  
Total $ (187)  
Less than 12 months   (42)
12 months or more   (29)
Total   (71)
Other Equity Securities [Member]    
Securities in continuous unrealized losses position, fair value [Abstract]    
Less than 12 months   0
12 months or more   1,470
Total   1,470
Securities in continuous unrealized loss position, unrealized losses [Abstract]    
Less than 12 months   0
12 months or more   (30)
Total   $ (30)