Legal Proceedings (Details) - Pending Litigation - Kelly Logging Inc. v. First Interstate Bank - USD ($) $ in Thousands			1 Months Ended
	Apr. 21, 2015	Oct. 01, 2014	Aug. 31, 2014	Jun. 30, 2015
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value		$ 17,047	$ 17,047
Awarded Plaintiff Attorney's Fees	$ 7,500
Awarded Plaintiff Costs	91
Litigation Settlement, Amount	$ 24,638
Loss Contingency, Compensatory Damages Awarded, Value			287
Loss Contingency, Punitive Damages Awarded, Value			$ 16,760
Loss Contingency Accrual				$ 4,000