Regulatory Matters (Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Cascade Bancorp
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual capital amount Tier 1 leverage (to average assets)	$ 227,542	$ 170,615
Actual common equity tier 1 capital (to risk-weighted assets)	227,542
Actual capital amount Tier 1capital (to risk-weighted assets)	227,542	170,615
Actual capital amount total capital (to risk-weighted assets)	$ 252,401	$ 192,162
Actual Ratio Tier 1 leverage (to average assets)	9.40%	7.70%
Actual Ratio common equity tier one capital (to risk-weighted assets)	11.50%
Actual Ratio Tier 1 capital (to risk-weighted assets)	11.50%	9.90%
Actual Ratio Total capital (to risk-weighted assets)	12.80%	11.20%
Regulatory minimum to be adequately capitalized Capital amount Tier 1 leverage (to average assets)	$ 96,817	$ 89,076
Regulatory minimum to be adequately capitalized common equity tier one capital (to risk-weighted assets)	88,818
Regulatory minimum to be adequately capitalized Capital amount Tier 1 capital (to risk-weighted assets)	118,424	68,892
Regulatory minimum to be adequately capitalized total capital (to risk-weighted assets)	$ 157,898	$ 137,784
Regulatory minimum to be adequately capitalized Ratio Tier 1 leverage (to average assets)	4.00%	4.00%
Regulatory minimum to be adequately capitalized Ratio common equity tier one capital (to risk-weighted assets)	4.50%
Regulatory minimum to be adequately capitalized Ratio Tier 1 capital (to risk-weighted assets)	6.00%	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)	$ 121,022	$ 111,345
Regulatory minimum to be well capitalized under prompt corrective action provisions common equity tier one capital (to risk-weighted assets)	128,292
Regulatory minimum to be well capitalized under prompt corrective action provisions Capital amount Tier 1 capital (to risk-weighted assets)	157,898	103,338
Regulatory minimum to be well capitalized under prompt corrective action provisions total capital amount (to risk-weighted assets)	$ 197,373	$ 172,230
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 correct action provisions common equity tier one capital Ratio (to risk-weighted assets)	6.50%
Regulatory minimum to be well capitalized under prompt corrective action provisions Capital Ratio Tier 1 capital (to risk-weighted assets)	8.00%	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)	$ 223,533	$ 167,056
Actual common equity tier 1 capital (to risk-weighted assets)	223,533
Actual capital amount Tier 1capital (to risk-weighted assets)	223,533	167,056
Actual capital amount total capital (to risk-weighted assets)	$ 248,346	$ 188,543
Actual Ratio Tier 1 leverage (to average assets)	9.30%	7.50%
Actual Ratio common equity tier one capital (to risk-weighted assets)	11.40%
Actual Ratio Tier 1 capital (to risk-weighted assets)	11.40%	9.70%
Actual Ratio Total capital (to risk-weighted assets)	12.60%	11.00%
Regulatory minimum to be adequately capitalized Capital amount Tier 1 leverage (to average assets)	$ 96,662	$ 88,946
Regulatory minimum to be adequately capitalized common equity tier one capital (to risk-weighted assets)	88,663
Regulatory minimum to be adequately capitalized Capital amount Tier 1 capital (to risk-weighted assets)	118,218	68,700
Regulatory minimum to be adequately capitalized total capital (to risk-weighted assets)	$ 157,624	$ 137,400
Regulatory minimum to be adequately capitalized Ratio Tier 1 leverage (to average assets)	4.00%	4.00%
Regulatory minimum to be adequately capitalized Ratio common equity tier one capital (to risk-weighted assets)	4.50%
Regulatory minimum to be adequately capitalized Ratio Tier 1 capital (to risk-weighted assets)	6.00%	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)	$ 120,827	$ 111,183
Regulatory minimum to be well capitalized under prompt corrective action provisions common equity tier one capital (to risk-weighted assets)	128,069
Regulatory minimum to be well capitalized under prompt corrective action provisions Capital amount Tier 1 capital (to risk-weighted assets)	157,624	103,050
Regulatory minimum to be well capitalized under prompt corrective action provisions total capital amount (to risk-weighted assets)	$ 197,030	$ 171,750
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 correct action provisions common equity tier one capital Ratio (to risk-weighted assets)	6.50%
Regulatory minimum to be well capitalized under prompt corrective action provisions Capital Ratio Tier 1 capital (to risk-weighted assets)	8.00%	6.00%
Regulatory minimum to be well capitalized under prompt corrective action provisions Total capital Ratio (to risk-weighted assets)	10.00%	10.00%