SECURITIES - Schedule of Available For Sale of Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Securities with unrealized losses [Abstract]
Less than 12 months, Fair Value	$ 27,303	$ 37,848
12 months or more, Fair value	22,217	346,642
Total Fair value	49,520	384,490
Less than 12 Months, Unrealized Losses	189	136
12 Months or more, Unrealized Losses	337	8,731
Total Unrealized Losses	526	8,867
US Treasury Securities
Securities with unrealized losses [Abstract]
Less than 12 months, Fair Value		0
12 months or more, Fair value		987
Total Fair value		987
Less than 12 Months, Unrealized Losses		0
12 Months or more, Unrealized Losses		7
Total Unrealized Losses		7
US Government Sponsored Agencies
Securities with unrealized losses [Abstract]
Less than 12 months, Fair Value		0
12 months or more, Fair value		4,350
Total Fair value		4,350
Less than 12 Months, Unrealized Losses		0
12 Months or more, Unrealized Losses		85
Total Unrealized Losses		85
Mortgage-backed securities residential
Securities with unrealized losses [Abstract]
Less than 12 months, Fair Value	20,200	11,619
12 months or more, Fair value	19,456	217,182
Total Fair value	39,656	228,801
Less than 12 Months, Unrealized Losses	84	12
12 Months or more, Unrealized Losses	328	5,484
Total Unrealized Losses	412	5,496
Mortgage-backed securities commercial
Securities with unrealized losses [Abstract]
Less than 12 months, Fair Value		0
12 months or more, Fair value		38,141
Total Fair value		38,141
Less than 12 Months, Unrealized Losses		0
12 Months or more, Unrealized Losses		571
Total Unrealized Losses		571
State and Municipal Securities
Securities with unrealized losses [Abstract]
Less than 12 months, Fair Value	7,103	26,229
12 months or more, Fair value	2,761	85,982
Total Fair value	9,864	112,211
Less than 12 Months, Unrealized Losses	105	124
12 Months or more, Unrealized Losses	9	2,584
Total Unrealized Losses	$ 114	$ 2,708