SECURITIES - Investment Securities Available for Sale in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fair Value
Less than 12 months	$ 17,100	$ 123,007
12 months or longer	201,005	131,436
Total	218,105	254,443
Unrealized Losses
Less than 12 months	57	1,199
12 months or longer	6,407	4,171
Total	6,464	5,370
Obligations of U.S. Government and U.S. Government sponsored enterprises
Fair Value
Less than 12 months	0	14,982
12 months or longer	4,969	0
Total	4,969	14,982
Unrealized Losses
Less than 12 months	0	21
12 months or longer	27	0
Total	27	21
Mortgage-backed securities, residential
Fair Value
Less than 12 months	0	83,562
12 months or longer	171,481	131,165
Total	171,481	214,727
Unrealized Losses
Less than 12 months	0	1,013
12 months or longer	6,065	4,153
Total	6,065	5,166
Obligations of states and political subdivisions
Fair Value
Less than 12 months	10,868	20,526
12 months or longer	21,345	271
Total	32,213	20,797
Unrealized Losses
Less than 12 months	38	133
12 months or longer	270	18
Total	308	151
Corporate bonds and notes
Fair Value
Less than 12 months	247
12 months or longer	0
Total	247
Unrealized Losses
Less than 12 months	2
12 months or longer	0
Total	2
SBA loan pools
Fair Value
Less than 12 months	5,985	3,937
12 months or longer	3,210	0
Total	9,195	3,937
Unrealized Losses
Less than 12 months	17	32
12 months or longer	45	0
Total	$ 62	$ 32