SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Depreciation) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Depreciation due to change in estimated useful life	$ 82,275	$ 50,683	$ 29,637
Service Life
Depreciation due to change in estimated useful life	$ 17,100	$ 10,800	$ 1,200
Additional depreciation weighted average common shares	$ 0.40	$ 0.27	$ 0.03