XML 55 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
DEBT SECURITIES - Amortized cost and estimated fair values of investments in securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Available-for-sale Securities [Abstract]    
Amortized cost $ 225,308 $ 223,668
Fair Value 221,150 223,175
Held-to-maturity Securities [Abstract]    
Amortized cost 33 33
Fair Value 35 35
Securities Available for Sale    
Available-for-sale Securities [Abstract]    
Amortized cost 225,308 223,668
Unrealized Gains 681 1,553
Unrealized Losses (4,839) (2,046)
Fair Value 221,150 223,175
Securities Available for Sale | State and municipal securities    
Available-for-sale Securities [Abstract]    
Amortized cost 59,319 60,861
Unrealized Gains 468 1,173
Unrealized Losses (649) (118)
Fair Value 59,138 61,916
Securities Available for Sale | Debt securities    
Available-for-sale Securities [Abstract]    
Amortized cost 17,315 17,315
Unrealized Losses (556) (370)
Fair Value 16,759 16,945
Securities Available for Sale | Collateralized mortgage obligations    
Available-for-sale Securities [Abstract]    
Amortized cost 65,948 61,878
Unrealized Gains 37 50
Unrealized Losses (1,376) (675)
Fair Value 64,609 61,253
Securities Available for Sale | Mortgage-backed securities    
Available-for-sale Securities [Abstract]    
Amortized cost 81,616 82,510
Unrealized Gains 176 330
Unrealized Losses (2,223) (866)
Fair Value 79,569 81,974
Securities Available for Sale | Other securities    
Available-for-sale Securities [Abstract]    
Amortized cost 1,110 1,104
Unrealized Losses (35) (17)
Fair Value 1,075 1,087
Securities Held to Maturity | Mortgage-backed securities    
Held-to-maturity Securities [Abstract]    
Amortized cost 33 33
Gross Unrealized Gains 2 2
Fair Value $ 35 $ 35