Regulatory Capital Requirements (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) item	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) item	Jun. 30, 2015 USD ($)
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	23		23
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 102,381		$ 102,381
Tier I capital (to risk-weighted assets)	93,490		93,490
Tier I capital (to average assets, leverage)	93,490		93,490
Common equity Tier 1 (to risk-weighted assets)	$ 54,613		$ 54,613
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	17.392%		17.392%
Tier I capital (to risk-weighted assets) (in hundredths)	15.882%		15.882%
Tier I capital (to average assets, leverage) (as a percent)	11.701%		11.701%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.277%		9.277%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 50,772		$ 50,772
Tier I capital (to risk-weighted assets)	38,999		38,999
Tier I capital (to average assets, leverage)	31,960		31,960
Common equity Tier 1 (to risk-weighted assets)	$ 30,169		$ 30,169
For capital adequacy purposes, ratio [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	8.625%		8.625%
Tier I capital (to risk-weighted assets) (in hundredths)	6.625%		6.625%
Tier I capital (to average assets, leverage) (in hundredths)	4.00%		4.00%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	5.125%		5.125%
To be well capitalized under prompt corrective action provision, amount [Abstract]
Total capital (to risk-weighted assets)	$ 58,866		$ 58,866
Tier I capital (to risk-weighted assets)	$ 35,320		$ 35,320
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)	$ 58,866		$ 58,866
Tier I capital (to risk-weighted assets)	$ 35,320		$ 35,320
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			$ 2,380
Tax lien adjustment, net of noncontrolling interest			1,843
Net income	$ 2,034	$ 1,461	$ 4,223	$ 3,052
Actual Ratio Under US GAAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	17.392%		17.392%
Tier I capital (to risk-weighted assets) (in hundredths)	15.882%		15.882%
Tier I capital (to average assets, leverage) (in hundredths)	11.701%		11.701%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.277%		9.277%
Ratios As Adjusted Under RAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	17.127%		17.127%
Tier I capital (to risk-weighted assets) (in hundredths)	15.616%		15.616%
Tier I capital (to average assets, leverage) (in hundredths)	11.495%		11.495%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	8.993%		8.993%
Royal Bank [Member]
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 91,933		$ 91,933
Tier I capital (to risk-weighted assets)	84,586		84,586
Tier I capital (to average assets, leverage)	84,586		84,586
Common equity Tier 1 (to risk-weighted assets)	$ 62,889		$ 62,889
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	15.713%		15.713%
Tier I capital (to risk-weighted assets) (in hundredths)	14.457%		14.457%
Tier I capital (to average assets, leverage) (as a percent)	10.675%		10.675%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	10.749%		10.749%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 50,464		$ 50,464
Tier I capital (to risk-weighted assets)	38,762		38,762
Tier I capital (to average assets, leverage)	31,695		31,695
Common equity Tier 1 (to risk-weighted assets)	$ 29,986		$ 29,986
For capital adequacy purposes, ratio [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	8.625%		8.625%
Tier I capital (to risk-weighted assets) (in hundredths)	6.625%		6.625%
Tier I capital (to average assets, leverage) (in hundredths)	4.00%		4.00%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	5.125%		5.125%
To be well capitalized under prompt corrective action provision, amount [Abstract]
Total capital (to risk-weighted assets)	$ 58,509		$ 58,509
Tier I capital (to risk-weighted assets)	46,807		46,807
Tier I capital (to average assets, leverage)	39,618		39,618
Common equity Tier 1 (to risk-weighted assets)	$ 38,031		$ 38,031
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)	$ 58,509		$ 58,509
Tier I capital (to risk-weighted assets)	$ 46,807		$ 46,807
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			$ 2,059
Tax lien adjustment, net of noncontrolling interest			1,843
Net income			$ 3,902
As adjusted for RAP
Total capital (to risk-weighted assets) (in hundredths)	15.983%		15.983%
Tier 1 capital (to risk-weighted assets) (in hundredths)	14.727%		14.727%
Tier 1 capital (to average assets, leverage) (in hundredths)	10.884%		10.884%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	11.028%		11.028%