Business Combinations Liabilities and Assets Acquired (Details) - USD ($) $ / shares in Units, $ in Thousands	Aug. 01, 2016	Sep. 30, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill		$ 84,775	$ 78,610
Prime Pacific Financial Services
Business Acquisition [Line Items]
Cash paid in lieu of fractional shares	$ 1
Total purchase price	16,239
Cash and cash equivalents	7,625
FHLB stock	424
Loans, net	102,837
Premises and equipment	6,302
Deferred tax asset	2,156
Bank owned life insurance	1,491
Other assets	2,364
Total assets	123,199
Deposits	101,544
Other liabilities	7,939
Total liabilities	109,483
Net identifiable assets acquired	13,716
Intangible asset acquired	342
Goodwill	$ 2,181
Common Stock | Prime Pacific Financial Services
Business Acquisition [Line Items]
Cascade Bancorp common stock share issued for Prime Pacific shares (shares)	2,921,012
Cascade share price (usd per share)	$ 5.56
Consideration from common stock conversion (0.3050 ratio)	$ 16,238