SHAREHOLDERS' EQUITY (Reconciliation of Changes in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net
Accumulated other comprehensive income (loss), net of tax			$ 11,386
Other comprehensive income (loss) due to debt securities - held to maturity reclassified to available-for-sale, net of tax			0	$ (44)
Other comprehensive income (loss), before reclassifications, net of tax	$ (1,304)	$ 1,976	(7,507)	12,395
Reclassification adjustment for realized losses (gains) included in net income, net	(1,327)	(603)	(1,437)	(6,869)
Other comprehensive income (loss), net of tax, portion attributable to parent	(2,631)	1,373	(8,944)	5,482
Accumulated other comprehensive income (loss), net of tax	2,442		2,442
AOCI Attributable to Parent
Before Tax
AOCI including portion attributable to noncontrolling interest, before tax	8,737	19,065	15,086	13,621
Other comprehensive income (loss) due to debt securities - held to maturity reclassified to available-for-sale, before Tax			0	(58)
Other comprehensive income (loss), before reclassifications, before tax	(1,304)	2,618	(7,507)	16,422
Reclassification adjustment for realized losses (gains) included in net income, before tax	(1,315)	(798)	(1,461)	(9,100)
Comprehensive income (loss)	(2,619)	1,820	(8,968)	7,264
AOCI including portion attributable to noncontrolling interest, before tax	6,118	20,885	6,118	20,885
Income Tax
AOCI including portion attributable to noncontrolling interest, tax	(3,664)	(4,675)	(3,700)	(3,340)
Other comprehensive income (loss) due to debt securities - held to maturity reclassified to available-for-sale, tax			0	14
Other comprehensive income (loss) before reclassifications, tax	0	(642)	0	(4,027)
Reclassification adjustment for realized losses (gains) included in net income, tax	(12)	195	24	2,231
Other comprehensive income (loss), tax	(12)	(447)	24	(1,782)
AOCI including portion attributable to noncontrolling interest, tax	(3,676)	(5,122)	(3,676)	(5,122)
Net
Accumulated other comprehensive income (loss), net of tax	5,073	14,390	11,386	10,281
Accumulated other comprehensive income (loss), net of tax	$ 2,442	$ 15,763	$ 2,442	$ 15,763