INVESTMENTS (Held-to-Maturity, Unrealized Losses) (Details) $ in Thousands	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 Months, Fair Value	$ 1,029	$ 1,026
Less than 12 Months, Gross Unrealized Losses	3	22
12 Months or Longer, Fair Value	0	0
12 Months or Longer, Gross Unrealized Losses	0	0
Total Fair Value	1,029	1,026
Total Gross Unrealized Losses	$ 3	$ 22
Total Securities in a Loss Position	1	2
Agency mortgage backed securities
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 Months, Fair Value	$ 1,029	$ 1,026
Less than 12 Months, Gross Unrealized Losses	3	22
12 Months or Longer, Fair Value	0	0
12 Months or Longer, Gross Unrealized Losses	0	0
Total Fair Value	1,029	1,026
Total Gross Unrealized Losses	$ 3	$ 22
Total Securities in a Loss Position	1	2