Regulatory Capital Requirements (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) item	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) item	Jun. 30, 2014 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Number of previous quarters for which the call report is filed in accordance with U.S.GAAP | item	19		19
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 99,428		$ 99,428
Tier I capital (to risk-weighted assets)	90,520		90,520
Tier I capital (to average assets, leverage)	90,520		90,520
Common equity Tier 1 (to risk-weighted assets)	$ 48,495		$ 48,495
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	18.78%		18.78%
Tier I capital (to risk-weighted assets) (in hundredths)	17.10%		17.10%
Tier I capital (to average assets, leverage) (as a percent)	12.51%		12.51%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.16%		9.16%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 42,344		$ 42,344
Tier I capital (to risk-weighted assets)	31,758		31,758
Tier I capital (to average assets, leverage)	28,947		28,947
Common equity Tier 1 (to risk-weighted assets)	$ 23,818		$ 23,818
For capital adequacy purposes, ratio [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	8.00%		8.00%
Tier I capital (to risk-weighted assets) (in hundredths)	6.00%		6.00%
Tier I capital (to average assets, leverage) (in hundredths)	4.00%		4.00%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	4.50%		4.50%
To be well capitalized under prompt corrective action provision, amount [Abstract]
Total capital (to risk-weighted assets)	$ 52,930		$ 52,930
Tier I capital (to risk-weighted assets)	$ 31,758		$ 31,758
To be well capitalized under prompt corrective action provision, ratio [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	10.00%		10.00%
Tier I capital (to risk-weighted assets) (in hundredths)	6.00%		6.00%
To be well capitalized under the Federal Reserve's regulations, amount
Total capital (to risk-weighted assets)	$ 52,930		$ 52,930
Tier I capital (to risk-weighted assets)	$ 31,758		$ 31,758
To be well capitalized under the Federal Reserve's regulations, ratio
Total capital (to risk-weighted assets) (in hundredths)	10.00%		10.00%
Tier I capital (to risk-weighted assets) (in hundredths)	6.00%		6.00%
Adjustments to net loss as well as the capital ratios [Abstract]
RAP net loss			$ 700
Tax lien adjustment, net of noncontrolling interest			2,352
Net income	$ 1,461	$ 1,378	$ 3,052	$ 2,875
Actual Ratio Under US GAAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	18.78%		18.78%
Tier I capital (to risk-weighted assets) (in hundredths)	17.10%		17.10%
Tier I capital (to average assets, leverage) (in hundredths)	12.51%		12.51%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.16%		9.16%
Ratios As Adjusted Under RAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	18.41%		18.41%
Tier I capital (to risk-weighted assets) (in hundredths)	16.58%		16.58%
Tier I capital (to average assets, leverage) (in hundredths)	12.11%		12.11%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.20%		9.20%
Royal Bank [Member]
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 82,851		$ 82,851
Tier I capital (to risk-weighted assets)	76,258		76,258
Tier I capital (to average assets, leverage)	76,258		76,258
Common equity Tier 1 (to risk-weighted assets)	$ 57,025		$ 57,025
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	15.81%		15.81%
Tier I capital (to risk-weighted assets) (in hundredths)	14.55%		14.55%
Tier I capital (to average assets, leverage) (as a percent)	10.68%		10.68%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	10.88%		10.88%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 41,923		$ 41,923
Tier I capital (to risk-weighted assets)	31,442		31,442
Tier I capital (to average assets, leverage)	28,574		28,574
Common equity Tier 1 (to risk-weighted assets)	$ 23,582		$ 23,582
For capital adequacy purposes, ratio [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	8.00%		8.00%
Tier I capital (to risk-weighted assets) (in hundredths)	6.00%		6.00%
Tier I capital (to average assets, leverage) (in hundredths)	4.00%		4.00%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	4.50%		4.50%
To be well capitalized under prompt corrective action provision, amount [Abstract]
Total capital (to risk-weighted assets)	$ 52,404		$ 52,404
Tier I capital (to risk-weighted assets)	41,923		41,923
Tier I capital (to average assets, leverage)	35,717		35,717
Common equity Tier 1 (to risk-weighted assets)	$ 34,062		$ 34,062
To be well capitalized under prompt corrective action provision, ratio [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	10.00%		10.00%
Tier I capital (to risk-weighted assets) (in hundredths)	8.00%		8.00%
Tier I capital (to average assets, leverage) (in hundredths)	5.00%		5.00%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	6.50%		6.50%
To be well capitalized under the Federal Reserve's regulations, amount
Total capital (to risk-weighted assets)	$ 52,404		$ 52,404
Tier I capital (to risk-weighted assets)	$ 41,923		$ 41,923
To be well capitalized under the Federal Reserve's regulations, ratio
Total capital (to risk-weighted assets) (in hundredths)	10.00%		10.00%
Tier I capital (to risk-weighted assets) (in hundredths)	8.00%		8.00%
Adjustments to net loss as well as the capital ratios [Abstract]
RAP net loss			$ 682
Tax lien adjustment, net of noncontrolling interest			2,352
Net income			$ 3,034
As adjusted for U.S. GAAP
Total capital (to risk-weighted assets) (in hundredths)	16.20%		16.20%
Tier 1 capital (to risk-weighted assets) (in hundredths)	14.94%		14.94%
Tier 1 capital (to average assets, leverage) (in hundredths)	10.97%		10.97%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	10.83%		10.83%