Annual report pursuant to Section 13 and 15(d)

INVESTMENT SECURITIES (Details 3)

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INVESTMENT SECURITIES (Details 3) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Available-for-sale securities    
Less Than 12 Months, Market Value $ 284,181 $ 246,748
Less Than 12 Months, Unrealized Losses 1,433 1,541
Greater Than 12 Months, Market Value 111,206 6,993
Greater Than 12 Months, Unrealized Losses 1,516 35
Total Market Value 395,387 253,741
Total Unrealized Losses 2,949 1,576
Held-to-maturity debt securities    
Less Than 12 Months, Market Value 140,846 79,411
Less Than 12 Months, Unrealized Losses 808 718
Greater Than 12 Months, Market Value 45,155 4,010
Greater Than 12 Months Or Longer, Unrealized Losses 886 38
Total Market Value 186,001 83,421
Total Unrealized Losses 1,694 756
U.S. Treasury [Member]    
Available-for-sale securities    
Less Than 12 Months, Market Value 155,443 116,704
Less Than 12 Months, Unrealized Losses 963 851
Greater Than 12 Months, Market Value 79,900 0
Greater Than 12 Months, Unrealized Losses 1,201 0
Total Market Value 235,343 116,704
Total Unrealized Losses 2,164 851
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Market Value 45,737 48,520
Less Than 12 Months, Unrealized Losses 150 310
Greater Than 12 Months, Market Value 25,757 6,699
Greater Than 12 Months, Unrealized Losses 257 34
Total Market Value 71,494 55,219
Total Unrealized Losses 407 344
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Market Value 82,999 81,521
Less Than 12 Months, Unrealized Losses 320 380
Greater Than 12 Months, Market Value 5,549 294
Greater Than 12 Months, Unrealized Losses 58 1
Total Market Value 88,548 81,815
Total Unrealized Losses 378 381
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Market Value 2 3
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Market Value 0 0
Greater Than 12 Months, Unrealized Losses 0 0
Total Market Value 2 3
Total Unrealized Losses 0 0
U.S. Treasury [Member]    
Held-to-maturity debt securities    
Less Than 12 Months, Market Value 77,861 35,210
Less Than 12 Months, Unrealized Losses 298 81
Greater Than 12 Months, Market Value 14,939 0
Greater Than 12 Months Or Longer, Unrealized Losses 143 0
Total Market Value 92,800 35,210
Total Unrealized Losses 441 81
U.S. Government Agency [Member]    
Held-to-maturity debt securities    
Less Than 12 Months, Market Value 0 0
Less Than 12 Months, Unrealized Losses 0 0
Greater Than 12 Months, Market Value 0 0
Greater Than 12 Months Or Longer, Unrealized Losses 0 0
Total Market Value 0 0
Total Unrealized Losses 0 0
States and Political Subdivisions [Member]    
Held-to-maturity debt securities    
Less Than 12 Months, Market Value 6,955 7,491
Less Than 12 Months, Unrealized Losses 41 38
Greater Than 12 Months, Market Value 0 0
Greater Than 12 Months Or Longer, Unrealized Losses 0 0
Total Market Value 6,955 7,491
Total Unrealized Losses 41 38
Mortgage-Backed Securities [Member]    
Held-to-maturity debt securities    
Less Than 12 Months, Market Value 56,030 36,710
Less Than 12 Months, Unrealized Losses 469 599
Greater Than 12 Months, Market Value 30,216 4,010
Greater Than 12 Months Or Longer, Unrealized Losses 743 38
Total Market Value 86,246 40,720
Total Unrealized Losses $ 1,212 $ 637