Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT SECURITIES (Details)

v3.10.0.1
INVESTMENT SECURITIES (Details) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Available-for-sale    
Amortized Cost $ 488,687,000 $ 483,048,000
Unrealized Gains 675,000 812,000
Unrealized Losses 5,119,000 2,949,000
Market Value 484,243,000 480,911,000
Held to Maturity    
Amortized Cost 227,923,000 216,679,000
Unrealized Gains 207,000 22,000
Unrealized Losses 4,599,000 1,694,000
Market Value 223,531,000 215,007,000
Total    
Amortized Cost 716,610,000 699,727,000
Unrealized Gain 882,000 834,000
Unrealized Loss 9,718,000 4,643,000
Fair Value 707,774,000 695,918,000
U.S. Government Treasury [Member]    
Available-for-sale    
Amortized Cost 272,335,000 237,505,000
Unrealized Gains 0 0
Unrealized Losses 4,222,000 2,164,000
Market Value 268,113,000 235,341,000
U.S. Government Agency [Member]    
Available-for-sale    
Amortized Cost 153,087,000 144,324,000
Unrealized Gains 625,000 727,000
Unrealized Losses 621,000 407,000
Market Value 153,091,000 144,644,000
States and Political Subdivisions [Member]    
Available-for-sale    
Amortized Cost 54,115,000 91,533,000
Unrealized Gains 0 2,000
Unrealized Losses 276,000 378,000
Market Value 53,839,000 91,157,000
Mortgage-Backed Securities [Member]    
Available-for-sale    
Amortized Cost 922,000 1,102,000
Unrealized Gains 50,000 83,000
Unrealized Losses 0 0
Market Value 972,000 1,185,000
Equity Securities [Member]    
Available-for-sale    
Amortized Cost [1] 8,228,000 8,584,000
Unrealized Gains 0 0
Unrealized Losses 0 0
Market Value [1] 8,228,000 8,584,000
Federal Home Loan Bank 3,400,000 3,100,000
Federal Reserve Bank stock 4,800,000 4,800,000
FNBB, Inc. stock   800,000
U.S. Government Treasury [Member]    
Held to Maturity    
Amortized Cost 35,103,000 98,256,000
Unrealized Gains 0 0
Unrealized Losses 702,000 441,000
Market Value 34,401,000 97,815,000
States and Political Subdivisions [Member]    
Held to Maturity    
Amortized Cost 6,566,000 6,996,000
Unrealized Gains 0 0
Unrealized Losses 45,000 41,000
Market Value 6,521,000 6,955,000
Mortgage-Backed Securities [Member]    
Held to Maturity    
Amortized Cost 186,254,000 111,427,000
Unrealized Gains 207,000 22,000
Unrealized Losses 3,852,000 1,212,000
Market Value $ 182,609,000 $ 110,237,000
[1]

Includes Federal Home Loan Bank and Federal Reserve Bank stock, recorded at cost of $3. 4 million, $4.8 million, respectively, at September 30, 2018 and includes Federal Home Loan Bank, Federal Reserve Bank and FNBB Inc. stock recorded at cost of $3.1 million, $4.8 million, and $0.8 million, respectively, at December 31, 2017 .