Business Combinations (Details) (USD $) In Thousands, except Share data, unless otherwise specified			0 Months Ended	9 Months Ended			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	May 16, 2014 Home Federal Bank	Sep. 30, 2014 Home Federal Bank	May 16, 2014 Home Federal Bank		Sep. 30, 2014 Home Federal Bank Core Deposits
Business Acquisition [Line Items]
Useful Life							10 years
Cascade Bancorp common stock shares issued for Home Federal shares (in shares)				24,309,131
Cascade share price as calculated in the Merger Agreement (in dollars per share)				$ 4.91
Consideration from common stock conversion (1.6772 ratio)			$ 119,285
Consideration paid in cash ($8.43 per share)			122,163
Total purchase price			241,448
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash and cash equivalents					160,782
Investment securities					318,893
Loans					392,411
Premises and equipment					17,432
Other real estate owned					3,514
Deferred tax asset					15,407
Bank owned life insurance					15,896
Other assets					13,259
Intangible asset acquired					7,667	[1]
Total assets					945,261
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Deposits					760,648
Other liabilities					23,354
Total liabilities					784,002
Net identifiable assets acquired					161,259
Goodwill	$ 80,189	$ 0			$ 80,189

[1] Intangible assets consist of core deposit intangibles. The useful life for which the core deposit intangible is being amortized is 10 years.