CAPITAL TRANSACTIONS Schedule of Options Outstanding and Exercisable (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2017 $ / shares shares
Options Outstanding
Options Outstanding (in shares) | shares	1,390
Stock options
Options Outstanding
Options Outstanding (in shares) | shares	1,390
Weighted-Avg. Remaining Contractual Life
Weighted-Avg. Exercise Price Per Share (in dollars per share)
Options Exercisable
Options Exercisable (in shares) | shares	1,293
Weighted-Avg. Remaining Contractual Life
Weighted-Avg. Exercise Price Per Share (in dollars per share)
$2.35 to $9.99 | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of option prices per share, lower limit (in dollars per share)	2.35
Range of option prices per share, upper limit (in dollars per share)	$ 9.99
Options Outstanding
Options Outstanding (in shares) | shares	152
Weighted-Avg. Remaining Contractual Life	2 years 3 months 19 days
Weighted-Avg. Exercise Price Per Share (in dollars per share)	$ 5.38
Options Exercisable
Options Exercisable (in shares) | shares	152
Weighted-Avg. Remaining Contractual Life	2 years 3 months 18 days
Weighted-Avg. Exercise Price Per Share (in dollars per share)	$ 5.38
$10.00 to $13.99 | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of option prices per share, lower limit (in dollars per share)	10.00
Range of option prices per share, upper limit (in dollars per share)	$ 13.99
Options Outstanding
Options Outstanding (in shares) | shares	938
Weighted-Avg. Remaining Contractual Life	4 years 10 months 24 days
Weighted-Avg. Exercise Price Per Share (in dollars per share)	$ 12.42
Options Exercisable
Options Exercisable (in shares) | shares	903
Weighted-Avg. Remaining Contractual Life	4 years 10 months 24 days
Weighted-Avg. Exercise Price Per Share (in dollars per share)	$ 12.36
$14.00 to $17.70 | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of option prices per share, lower limit (in dollars per share)	14.00
Range of option prices per share, upper limit (in dollars per share)	$ 17.70
Options Outstanding
Options Outstanding (in shares) | shares	300
Weighted-Avg. Remaining Contractual Life	6 years 8 months 12 days
Weighted-Avg. Exercise Price Per Share (in dollars per share)	$ 14.98
Options Exercisable
Options Exercisable (in shares) | shares	238
Weighted-Avg. Remaining Contractual Life	6 years 7 months 6 days
Weighted-Avg. Exercise Price Per Share (in dollars per share)	$ 15.17