INVESTMENTS, SCHEDULED MATURITIES AND REALIZED GAINS AND LOSSES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Maturities Fair Value [Abstract]
2016	$ 0
2017 — 2020	1,052,000
2021 — 2025	0
2026 and thereafter	14,455,000
Available-for-sale investments	15,507,000	$ 17,151,000
Available-for-sale securities, gross realized gains	0	0	$ 0
Available-for-sale securities, gross realized losses	$ 0	$ 0	$ 0