Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT SECURITIES (Unrealized Losses on Investment Securities) (Details)

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INVESTMENT SECURITIES (Unrealized Losses on Investment Securities) (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Available-for-sale securities    
Less Than 12 Months, Fair Value $ 40,099,000 $ 89,910,000
Less Than 12 Months, Unrealized Losses 190,000 363,000
12 Months Or Longer, Fair Value 156,676,000 253,653,000
12 Months Or Longer, Unrealized Losses 445,000 2,912,000
Total Fair Value 196,775,000 343,563,000
Total Unrealized Losses 635,000 3,275,000
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 31,260,000 51,531,000
Less Than 12 Months, Unrealized Losses 79,000 389,000
12 Months Or Longer, Fair Value 36,814,000 125,598,000
12 Months Or Longer, Unrealized Losses 203,000 2,738,000
Total Fair Value 68,074,000 177,129,000
Total Unrealized Losses 282,000 3,127,000
U.S. Government Treasury [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 4,973,000 28,420,000
Less Than 12 Months, Unrealized Losses 8,000 80,000
12 Months Or Longer, Fair Value 128,152,000 193,501,000
12 Months Or Longer, Unrealized Losses 292,000 2,536,000
Total Fair Value 133,125,000 221,921,000
Total Unrealized Losses 300,000 2,616,000
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 0 0
Less Than 12 Months, Unrealized Losses 0 0
12 Months Or Longer, Fair Value 19,996,000 34,612,000
12 Months Or Longer, Unrealized Losses 46,000 477,000
Total Fair Value 19,996,000 34,612,000
Total Unrealized Losses 46,000 477,000
U.S. Government Agency [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 29,698,000 53,237,000
Less Than 12 Months, Unrealized Losses 179,000 271,000
12 Months Or Longer, Fair Value 28,524,000 28,735,000
12 Months Or Longer, Unrealized Losses 153,000 244,000
Total Fair Value 58,222,000 81,972,000
Total Unrealized Losses 332,000 515,000
States and Political Subdivisions [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 5,428,000 8,243,000
Less Than 12 Months, Unrealized Losses 3,000 12,000
12 Months Or Longer, Fair Value 0 31,417,000
12 Months Or Longer, Unrealized Losses 0 132,000
Total Fair Value 5,428,000 39,660,000
Total Unrealized Losses 3,000 144,000
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 1,794,000 204,000
Less Than 12 Months, Unrealized Losses 1,000 0
12 Months Or Longer, Fair Value 500,000 6,281,000
12 Months Or Longer, Unrealized Losses 0 26,000
Total Fair Value 2,294,000 6,485,000
Total Unrealized Losses 1,000 26,000
Mortgage-Backed Securities [Member]    
Available-for-sale securities    
Less Than 12 Months, Fair Value 0 10,000
Less Than 12 Months, Unrealized Losses 0 0
12 Months Or Longer, Fair Value 0 0
12 Months Or Longer, Unrealized Losses 0 0
Total Fair Value 0 10,000
Total Unrealized Losses 0 0
Held-to-maturity debt securities    
Less Than 12 Months, Fair Value 29,466,000 51,327,000
Less Than 12 Months, Unrealized Losses 78,000 389,000
12 Months Or Longer, Fair Value 16,318,000 84,705,000
12 Months Or Longer, Unrealized Losses 157,000 2,235,000
Total Fair Value 45,784,000 136,032,000
Total Unrealized Losses $ 235,000 $ 2,624,000