INCOME TAXES (Changes in Unrecognized Income Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
INCOME TAXES [Abstract]
Unrecognized tax benefits as of January 1	$ 3,661	$ 11,643	$ 10,828
Increases for tax positions related to Prior years	273	0	27
Increases for tax positions related to Current year	3,224	698	1,039
Decreases for tax positions related to Prior years	0	(655)	(204)
Expiration of applicable statute of limitations	(1,716)	(8,025)	(47)
Unrecognized tax benefits as of December 31	$ 5,442	$ 3,661	$ 11,643

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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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