DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS, Unobservable Input Reconciliation (Details) - Recurring [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	$ 1,332	$ 1,665
Purchases	2,000
Settlements	(345)	(327)
Unrealized losses included in other comprehensive income (loss)	(2)	(6)
Balance at end of period	2,985	1,332
Corporate Debt Securities [Member]
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	1,329	1,662
Purchases	0
Settlements	(345)	(327)
Unrealized losses included in other comprehensive income (loss)	(2)	(6)
Balance at end of period	982	1,329
Common stocks Financial services [Member]
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	3	3
Purchases	0
Settlements	0	0
Unrealized losses included in other comprehensive income (loss)	0	0
Balance at end of period	3	3
Nonredeemable Preferred Stock [Member]
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	0	0
Purchases	2,000
Settlements	0	0
Unrealized losses included in other comprehensive income (loss)	0	0
Balance at end of period	$ 2,000	$ 0