DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS, Unobservable Input Reconciliation (Details) - Recurring [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	$ 2,623	$ 2,985
Settlements	(361)	(356)
Unrealized losses included in net income (loss)	(3)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		(6)
Balance at end of period	259	2,623
Corporate
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	620	982
Settlements	(361)	(356)
Unrealized losses included in net income (loss)	0
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		(6)
Balance at end of period	259	620
Financial services
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	3	3
Settlements	0	0
Unrealized losses included in net income (loss)	(3)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		0
Balance at end of period	0	3
Non-redeemable preferred stocks
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	$ 2,000	2,000
Settlements		0
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		0
Balance at end of period		$ 2,000