Regulatory Matters (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Cascade Bancorp
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual capital amount Tier 1 leverage (to average assets)	$ 162,953	$ 142,937
Actual capital amount Tier 1capital (to risk-weighted assets)	162,953	142,937
Actual capital amount total capital (to risk-weighted assets)	182,211	156,787
Actual Ratio Tier 1 leverage (to average assets)	9.80%	10.50%
Actual Ratio Tier 1 capital (to risk-weighted assets)	10.60%	13.00%
Actual Ratio Total capital (to risk-weighted assets)	11.80%	14.30%
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1 leverage (to average assets)	66,415	54,527
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1capital (to risk-weighted assets)	61,544	44,021
Regulatory minimum to be "adequately capitalized" total capital (to risk-weighted assets)	123,087	88,041
Regulatory minimum to be "adequately capitalized" Ratio Tier 1 leverage (to average assets)	4.00%	4.00%
Regulatory minimum to be "adequately capitalized" Ratio Tier 1capital (to risk-weighted assets)	4.00%	4.00%
Regulatory minimum to be "adequately capitalized" Ratio Total capital (to risk-weighted assets)	8.00%	8.00%
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital amount Tier 1 leverage (to average assets)	83,019	68,159
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital amount Tier 1capital (to risk-weighted assets)	92,315	66,031
Regulatory minimum to be "well capitalized" under prompt corrective action provisions total capital amount (to risk-weighted assets)	153,859	110,052
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital Ratio Tier 1 leverage (to average assets)	5.00%	5.00%
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital Ratio Tier 1capital (to risk-weighted assets)	6.00%	6.00%
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Total capital Ratio (to risk-weighted assets)	10.00%	10.00%
Bank of the Cascades
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual capital amount Tier 1 leverage (to average assets)	157,125	142,964
Actual capital amount Tier 1capital (to risk-weighted assets)	157,125	142,964
Actual capital amount total capital (to risk-weighted assets)	176,315	156,788
Actual Ratio Tier 1 leverage (to average assets)	9.50%	10.50%
Actual Ratio Tier 1 capital (to risk-weighted assets)	10.30%	13.00%
Actual Ratio Total capital (to risk-weighted assets)	11.50%	14.30%
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1 leverage (to average assets)	66,191	54,529
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1capital (to risk-weighted assets)	61,324	43,939
Regulatory minimum to be "adequately capitalized" total capital (to risk-weighted assets)	122,648	87,879
Regulatory minimum to be "adequately capitalized" Ratio Tier 1 leverage (to average assets)	4.00%	4.00%
Regulatory minimum to be "adequately capitalized" Ratio Tier 1capital (to risk-weighted assets)	4.00%	4.00%
Regulatory minimum to be "adequately capitalized" Ratio Total capital (to risk-weighted assets)	8.00%	8.00%
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital amount Tier 1 leverage (to average assets)	82,739	68,162
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital amount Tier 1capital (to risk-weighted assets)	91,986	65,909
Regulatory minimum to be "well capitalized" under prompt corrective action provisions total capital amount (to risk-weighted assets)	$ 153,310	$ 109,848
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital Ratio Tier 1 leverage (to average assets)	5.00%	5.00%
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital Ratio Tier 1capital (to risk-weighted assets)	6.00%	6.00%
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Total capital Ratio (to risk-weighted assets)	10.00%	10.00%