Business Combinations (Prime Pacific Financial Services and Home Federal Bank) (Details) - USD ($) $ / shares in Units, $ in Thousands		Aug. 01, 2016	May 16, 2014	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill				$ 85,852	$ 78,610
Prime Pacific Financial Services
Business Acquisition [Line Items]
Cascade Bancorp common stock shares issued for Acquiree shares		2,921,012
Cascade share price as calculated in the Merger Agreement		$ 5.56
Consideration from common stock conversion		$ 16,238
Consideration paid in cash		1
Total purchase price		16,239
Cash and cash equivalents		7,625
Investment securities		0
FHLB stock		424
Loans, net		102,670
Premises and equipment, net		5,333
Other real estate owned		0
Deferred tax asset		2,488
Bank owned life insurance		1,491
Other assets		2,364
Total assets		122,395
Deposits		101,544
Other liabilities		8,212
Total liabilities		109,756
Net identifiable assets acquired		12,639
Core deposit intangibles	[1]	342
Goodwill		$ 3,258
Prime Pacific Financial Services | Core Deposits
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		10 years
Home Federal Bank
Business Acquisition [Line Items]
Cascade Bancorp common stock shares issued for Acquiree shares			24,309,131
Cascade share price as calculated in the Merger Agreement			$ 4.91
Consideration from common stock conversion			$ 119,285
Consideration paid in cash			122,163
Total purchase price			241,448
Cash and cash equivalents			160,782
Investment securities			318,893
Loans, net			392,411
Premises and equipment, net			17,432
Other real estate owned			3,514
Deferred tax asset			15,514
Bank owned life insurance			15,896
Other assets			13,259
Total assets			945,368
Deposits			759,176
Other liabilities			23,354
Total liabilities			782,530
Net identifiable assets acquired			162,838
Core deposit intangibles	[2]		7,667
Goodwill			$ 78,610
Home Federal Bank | Core Deposits
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life			10 years

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

[2] The core deposit intangible is being amortized over a 10 year period, which is its expected useful life.