Regulatory Capital Requirements (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) item	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) item	Sep. 30, 2014 USD ($)
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	20		20
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 101,091		$ 101,091
Tier I capital (to risk-weighted assets)	92,664		92,664
Tier I capital (to average assets, leverage)	92,664		92,664
Common equity Tier 1 (to risk-weighted assets)	$ 50,057		$ 50,057
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	18.96%		18.96%
Tier I capital (to risk-weighted assets) (in hundredths)	17.38%		17.38%
Tier I capital (to average assets, leverage) (as a percent)	12.52%		12.52%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.39%		9.39%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 42,643		$ 42,643
Tier I capital (to risk-weighted assets)	31,982		31,982
Tier I capital (to average assets, leverage)	29,609		29,609
Common equity Tier 1 (to risk-weighted assets)	$ 23,987		$ 23,987
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)	$ 53,304		$ 53,304
Tier I capital (to risk-weighted assets)	$ 31,982		$ 31,982
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)	$ 53,304		$ 53,304
Tier I capital (to risk-weighted assets)	$ 31,982		$ 31,982
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			$ 2,378
Tax lien adjustment, net of noncontrolling interest			2,208
Net income	$ 1,534	$ 1,423	$ 4,586	$ 4,298
Actual Ratio Under US GAAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	18.96%		18.96%
Tier I capital (to risk-weighted assets) (in hundredths)	17.38%		17.38%
Tier I capital (to average assets, leverage) (in hundredths)	12.52%		12.52%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.39%		9.39%
Ratios As Adjusted Under RAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	18.62%		18.62%
Tier I capital (to risk-weighted assets) (in hundredths)	16.90%		16.90%
Tier I capital (to average assets, leverage) (in hundredths)	12.16%		12.16%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	9.43%		9.43%
Royal Bank [Member]
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 84,720		$ 84,720
Tier I capital (to risk-weighted assets)	78,058		78,058
Tier I capital (to average assets, leverage)	78,058		78,058
Common equity Tier 1 (to risk-weighted assets)	$ 58,622		$ 58,622
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	15.99%		15.99%
Tier I capital (to risk-weighted assets) (in hundredths)	14.73%		14.73%
Tier I capital (to average assets, leverage) (as a percent)	10.65%		10.65%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	11.06%		11.06%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 42,386		$ 42,386
Tier I capital (to risk-weighted assets)	31,790		31,790
Tier I capital (to average assets, leverage)	29,307		29,307
Common equity Tier 1 (to risk-weighted assets)	$ 23,842		$ 23,842
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)	$ 52,983		$ 52,983
Tier I capital (to risk-weighted assets)	42,386		42,386
Tier I capital (to average assets, leverage)	36,634		36,634
Common equity Tier 1 (to risk-weighted assets)	$ 34,439		$ 34,439
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)	$ 52,983		$ 52,983
Tier I capital (to risk-weighted assets)	$ 42,386		$ 42,386
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			$ 2,403
Tax lien adjustment, net of noncontrolling interest			2,208
Net income			$ 4,611
As adjusted for U.S. GAAP
Total capital (to risk-weighted assets) (in hundredths)	16.35%		16.35%
Tier 1 capital (to risk-weighted assets) (in hundredths)	15.09%		15.09%
Tier 1 capital (to average assets, leverage) (in hundredths)	10.93%		10.93%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	11.02%		11.02%