SHAREHOLDERS' EQUITY (Schedule of Share-based Compensation Arrangements) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 338	$ 355	$ 745	$ 808
Recognized tax benefit	(85)	87	0	198
Intrinsic value of options exercised	0	2	0	4
Fair value of restricted stock vested	258	608	1,700	1,640
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	338	369	660	722
Performance stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 0	$ (14)	$ 85	$ 86

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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