TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013
TAXES.
Effective tax rate (as a percent)		38.50%	36.20%
Colorado ballot initiative costs	$ 1,004	$ 1,004