SECURITIES - Securities in an Unrealized Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Securities in a continuous unrealized loss position with unrealized losses presented by length of time
Less than 12 months, Fair Value	$ 227,076	$ 63,481
Less than 12 months, Unrealized Losses	(1,268)	(313)
12 months or longer, Fair Value	53,428	195,975
12 months or longer, Unrealized Losses	(1,282)	(4,336)
Total Fair Value	280,504	259,456
Total Unrealized Losses	(2,550)	(4,649)
State and municipal
Securities in a continuous unrealized loss position with unrealized losses presented by length of time
Less than 12 months, Fair Value	4,802	122
Less than 12 months, Unrealized Losses	(33)	(1)
12 months or longer, Fair Value	1,367
12 months or longer, Unrealized Losses	(35)
Total Fair Value	6,169	122
Total Unrealized Losses	(68)	(1)
Mortgage-backed securities-residential (Government Sponsored Entity)
Securities in a continuous unrealized loss position with unrealized losses presented by length of time
Less than 12 months, Fair Value	168,950	16,659
Less than 12 months, Unrealized Losses	(644)	(147)
12 months or longer, Fair Value		13,340
12 months or longer, Unrealized Losses		(206)
Total Fair Value	168,950	29,999
Total Unrealized Losses	(644)	(353)
Collateralized mortgage obligations (Government Sponsored Entity)
Securities in a continuous unrealized loss position with unrealized losses presented by length of time
Less than 12 months, Fair Value	53,324	24,925
Less than 12 months, Unrealized Losses	(591)	(51)
12 months or longer, Fair Value	52,061	32,541
12 months or longer, Unrealized Losses	(1,247)	(382)
Total Fair Value	105,385	57,466
Total Unrealized Losses	$ (1,838)	(433)
Other securities
Securities in a continuous unrealized loss position with unrealized losses presented by length of time
Less than 12 months, Fair Value		21,775
Less than 12 months, Unrealized Losses		(114)
12 months or longer, Fair Value		150,094
12 months or longer, Unrealized Losses		(3,748)
Total Fair Value		171,869
Total Unrealized Losses		$ (3,862)