STOCKHOLDERS' EQUITY: (Details 3) - shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Share based Compensation Plan
Total SCC shares reserved for the plan	600,000	600,000
Activity in directors' stock award plan
Total shares granted at the beginning of the period (in shares)	(309,600)	(297,600)
Granted in the period (in shares)	(13,200)	(12,000)
Total shares granted at the end of the period (in shares)	(322,800)	(309,600)
Remaining shares reserved	277,200	290,400
Directors' Stock Award Plan
Share based Compensation Plan
Common shares received on election as director	1,200
Additional shares issued at each annual general meeting	1,200
Employee Stock Purchase 2007 Plan
Share based compensation
Percentage of title acquired by employee in every two years on shares paid in previous two years	50.00%
Period of plan	8 years
Ratio of bonus shares granted to participant	0.1
Employee Stock Purchase 2015 Plan
Activity in directors' stock award plan
Granted in the period (in shares)	(2,652,886)
Share based compensation
Percentage of title acquired by employee in every two years on shares paid in previous two years	50.00%
Period of plan	8 years
Ratio of bonus shares granted to participant	0.1
Employee Stock Purchase 2015 Plan | Voluntary Resignation
Share based compensation
Deduction over the amount to be paid to the employee on termination of employment after first year (as a percent)	90.00%
Deduction over the amount to be paid to the employee on termination of employment after second year (as a percent)	80.00%
Deduction over the amount to be paid to the employee on termination of employment after third year (as a percent)	70.00%
Deduction over the amount to be paid to the employee on termination of employment after fourth year (as a percent)	60.00%
Deduction over the amount to be paid to the employee on termination of employment after fifth year (as a percent)	50.00%
Deduction over the amount to be paid to the employee on termination of employment after sixth year (as a percent)	40.00%
Deduction over the amount to be paid to the employee on termination of employment after seventh year (as a percent)	20.00%
Employee Stock Purchase 2015 Plan | Involuntary Termination
Share based compensation
Deduction over the amount to be paid to the employee on termination of employment after first year (as a percent)	100.00%
Deduction over the amount to be paid to the employee on termination of employment after second year (as a percent)	95.00%
Deduction over the amount to be paid to the employee on termination of employment after third year (as a percent)	90.00%
Deduction over the amount to be paid to the employee on termination of employment after fourth year (as a percent)	80.00%
Deduction over the amount to be paid to the employee on termination of employment after fifth year (as a percent)	70.00%
Deduction over the amount to be paid to the employee on termination of employment after sixth year (as a percent)	60.00%
Deduction over the amount to be paid to the employee on termination of employment after seventh year (as a percent)	50.00%