SECURITIES - AMORTIZED COST AND FAIR VALUE BY CONTRACTUAL MATURITY (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Amortized Cost
Due in one year or less	$ 3,384		$ 3,384
Due after one year through five years	28,556		28,556
Due after five years through ten years	46,719		46,719
Due after ten years	50,186		50,186
Securities due at a single maturity date	128,845		128,845
Amortized Cost	295,948		295,948		$ 275,218
Fair Value
Due in one year or less	3,381		3,381
Due after one year through five years	29,280		29,280
Due after five years through ten years	47,590		47,590
Due after ten years	51,386		51,386
Securities due at a single maturity date	131,637		131,637
Fair Value	297,786		297,786		273,770
Sales of securities
Proceeds from sales of securities available for sale	4,000	$ 12,100	4,017	$ 21,388
Gross gains realized on sales of securities	43	151	43	277
Gross losses realized on sales of securities	0	0	0	0
Tax provision related to realized gains	15	$ 51	15	$ 94
Mortgage-backed - residential
Amortized Cost
Amortized Cost	166,783		166,783		148,327
Fair Value
Fair Value	165,808		165,808		145,770
Equity securities
Amortized Cost
Amortized Cost	320		320		320
Fair Value
Fair Value	$ 341		$ 341		$ 340