Regulatory Matters (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 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)	$ 146,020	$ 142,937
Actual capital amount Tier 1capital (to risk-weighted assets)	146,020	142,937
Actual capital amount total capital (to risk-weighted assets)	159,962	156,787
Actual Ratio Tier 1 leverage (to average assets)	10.90%	10.50%
Actual Ratio Tier 1 capital (to risk-weighted assets)	13.20%	13.00%
Actual Ratio Total capital (to risk-weighted assets)	14.50%	14.30%
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1 leverage (to average assets)	53,630	54,527
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1capital (to risk-weighted assets)	44,280	44,021
Regulatory minimum to be "adequately capitalized" total capital (to risk-weighted assets)	88,560	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)	67,037	68,159
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital amount Tier 1capital (to risk-weighted assets)	66,420	66,031
Regulatory minimum to be "well capitalized" under prompt corrective action provisions total capital amount (to risk-weighted assets)	110,700	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)	145,936	142,964
Actual capital amount Tier 1capital (to risk-weighted assets)	145,936	142,964
Actual capital amount total capital (to risk-weighted assets)	159,852	156,788
Actual Ratio Tier 1 leverage (to average assets)	10.90%	10.50%
Actual Ratio Tier 1 capital (to risk-weighted assets)	13.20%	13.00%
Actual Ratio Total capital (to risk-weighted assets)	14.50%	14.30%
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1 leverage (to average assets)	53,627	54,529
Regulatory minimum to be "adequately capitalized" Capital amount Tier 1capital (to risk-weighted assets)	44,196	43,939
Regulatory minimum to be "adequately capitalized" total capital (to risk-weighted assets)	88,392	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)	67,034	68,162
Regulatory minimum to be "well capitalized" under prompt corrective action provisions Capital amount Tier 1capital (to risk-weighted assets)	66,294	65,909
Regulatory minimum to be "well capitalized" under prompt corrective action provisions total capital amount (to risk-weighted assets)	$ 110,490	$ 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%