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Subsquent events	6 Months Ended
Subsquent events	Jun. 30, 2013
Subsequent Event [Line Items]
Subsequent Events [Text Block]	Subsequent events On July 9, 2013, Cascade entered into a $50 million revolving credit agreement which replaces the existing revolving credit agreement and extends the termination date to July 9, 2018. On July 15, 2013, Intermountain entered into a $65 million revolving credit agreement which replaces the existing revolving credit agreement and extends the termination date to July 13, 2018.