SHAREHOLDERS' EQUITY (Schedule of Share-based Compensation Arrangements) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 211	$ 386	$ 956	$ 1,194
Recognized tax benefit	0	95	0	293
Intrinsic value of options exercised	2	106	2	110
Fair value of restricted stock vested	0	19	1,700	1,659
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	211	344	871	1,066
Performance stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 0	$ 42	$ 85	$ 128

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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