Legal Proceedings (Details) (Pending Litigation, Kelly Logging Inc. v. First Interstate Bank, USD $) In Thousands, unless otherwise specified	0 Months Ended	1 Months Ended
	Oct. 01, 2014	Aug. 31, 2014	Sep. 30, 2014
Pending Litigation | Kelly Logging Inc. v. First Interstate Bank
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value	$ 17,047	$ 17,047
Loss Contingency, Compensatory Damages Awarded, Value		287
Loss Contingency, Punitive Damages Awarded, Value		16,760
Loss Contingency Accrual			$ 4,000