Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT SECURITIES (Details)

v3.4.0.3
INVESTMENT SECURITIES (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Available-for-sale    
Amortized Cost $ 460,514 $ 450,883
Unrealized Gains 2,068 720
Unrealized Losses 138 575
Market Value 462,444 451,028
Held to Maturity    
Amortized Cost 187,079 187,892
Unrealized Gains 766 94
Unrealized Losses 196 579
Market Value 187,649 187,407
Total    
Amortized Cost 647,593 638,775
Unrealized Gain 2,834 814
Unrealized Loss 334 1,154
Fair Value 650,093 638,435
U.S. Government Treasury [Member]    
Available-for-sale    
Amortized Cost 257,978 250,458
Unrealized Gains 1,083 101
Unrealized Losses 1 213
Market Value 259,060 250,346
Held to Maturity    
Amortized Cost 139,501 134,554
Unrealized Gains $ 596 45
Unrealized Losses 160
Market Value $ 140,097 134,439
U.S. Government Agency [Member]    
Available-for-sale    
Amortized Cost 103,802 101,730
Unrealized Gains 530 357
Unrealized Losses 125 263
Market Value 104,207 101,824
Held to Maturity    
Amortized Cost 10,026 10,043
Unrealized Gains $ 13 7
Unrealized Losses 5
Market Value $ 10,039 10,045
States and Political Subdivisions [Member]    
Available-for-sale    
Amortized Cost 88,556 88,358
Unrealized Gains 321 103
Unrealized Losses 12 99
Market Value 88,865 88,362
Held to Maturity    
Amortized Cost 12,495 15,693
Unrealized Gains 81 38
Unrealized Losses 1 7
Market Value 12,575 15,724
Mortgage-Backed Securities [Member]    
Available-for-sale    
Amortized Cost 1,429 1,742
Unrealized Gains $ 134 $ 159
Unrealized Losses
Market Value $ 1,563 $ 1,901
Held to Maturity    
Amortized Cost 25,057 27,602
Unrealized Gains 76 4
Unrealized Losses 195 407
Market Value 24,938 27,199
Equity Securities [Member]    
Available-for-sale    
Amortized Cost [1] $ 8,749 $ 8,595
Unrealized Gains [1]
Unrealized Losses [1]
Market Value [1] $ 8,749 $ 8,595
Federal Home Loan Bank 3,700 3,600
Federal Reserve Bank stock 4,800 4,800
FNBB, Inc. stock $ 200 $ 200
[1] Includes Federal Home Loan Bank, Federal Reserve Bank, and FNBB Inc. stock recorded at cost of $3.7 million, $4.8 million, and $0.2 million, respectively, at March 31, 2016 and $3.6 million, $4.8 million, and $0.2 million, respectively, at December 31, 2015.