SHAREHOLDERS' EQUITY (Schedule of Share-based Compensation Arrangements) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 683	$ 698	$ 1,358	$ 1,363
Recognized tax benefit	173	177	344	345
Intrinsic value of options exercised	0	78	0	78
Fair value of restricted stock vested	306	289	1,233	1,476
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	502	526	996	1,148
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 181	$ 172	$ 362	$ 215

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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