DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS, Unobservable Input Reconciliation (Details) - Recurring [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	$ 1,625	$ 1,952	$ 1,665	$ 1,979
Settlements	(171)	(70)	(214)	(112)
Unrealized gains (losses) included in other comprehensive income (loss)	2	(3)	5	12
Balance at end of period	1,456	1,879	1,456	1,879
Corporate Debt Securities [Member]
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	1,622	1,949	1,662	1,976
Settlements	(171)	(70)	(214)	(112)
Unrealized gains (losses) included in other comprehensive income (loss)	2	(3)	5	12
Balance at end of period	1,453	1,876	1,453	1,876
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	3	3
Settlements	0	0	0	0
Unrealized gains (losses) included in other comprehensive income (loss)	0	0	0	0
Balance at end of period	$ 3	$ 3	$ 3	$ 3