FAIR VALUE - Gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities (Details 3) $ in Thousands	Jun. 30, 2017 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months Fair Value	$ 52,551
Less than 12 months Unrealized Loss	770
12 months or more Fair Value	1,398
12 months or more Unrealized Loss	45
Total Fair Value	53,949
Total Unrealized Loss	815
U.S. Agency
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months Fair Value	500
Less than 12 months Unrealized Loss	1
12 months or more Fair Value
12 months or more Unrealized Loss
Total Fair Value	500
Total Unrealized Loss	1
State and Municipal
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months Fair Value	7,461
Less than 12 months Unrealized Loss	178
12 months or more Fair Value	1,398
12 months or more Unrealized Loss	45
Total Fair Value	8,859
Total Unrealized Loss	223
Mortgage Backed
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months Fair Value	44,590
Less than 12 months Unrealized Loss	591
12 months or more Fair Value
12 months or more Unrealized Loss
Total Fair Value	44,590
Total Unrealized Loss	$ 591