Regulatory Capital Requirements (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) item	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) item	Sep. 30, 2015 USD ($)
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	24		24
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 100,544		$ 100,544
Tier I capital (to risk-weighted assets)	90,606		90,606
Tier I capital (to average assets, leverage)	90,606		90,606
Common equity Tier 1 (to risk-weighted assets)	$ 55,124		$ 55,124
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	16.361%		16.361%
Tier I capital (to risk-weighted assets) (in hundredths)	14.744%		14.744%
Tier I capital (to average assets, leverage) (as a percent)	11.22%		11.22%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	8.97%		8.97%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 53,003		$ 53,003
Tier I capital (to risk-weighted assets)	40,713		40,713
Tier I capital (to average assets, leverage)	32,303		32,303
Common equity Tier 1 (to risk-weighted assets)	$ 31,495		$ 31,495
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)	$ 61,453		$ 61,453
Tier I capital (to risk-weighted assets)	$ 36,872		$ 36,872
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)	$ 61,453		$ 61,453
Tier I capital (to risk-weighted assets)	$ 36,872		$ 36,872
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 income			$ 4,693
Tax lien adjustment, net of noncontrolling interest			1,560
Net income	$ 2,030	$ 1,534	$ 6,253	$ 4,586
Actual Ratio Under US GAAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	16.361%		16.361%
Tier I capital (to risk-weighted assets) (in hundredths)	14.744%		14.744%
Tier I capital (to average assets, leverage) (in hundredths)	11.22%		11.22%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	8.97%		8.97%
Ratios As Adjusted Under RAP [Abstract]
Total capital (to risk-weighted assets) (in hundredths)	16.143%		16.143%
Tier I capital (to risk-weighted assets) (in hundredths)	14.439%		14.439%
Tier I capital (to average assets, leverage) (in hundredths)	10.981%		10.981%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	8.736%		8.736%
Royal Bank [Member]
Capital actual amount under regulations [Abstract]
Total capital (to risk-weighted assets)	$ 90,551		$ 90,551
Tier I capital (to risk-weighted assets)	82,868		82,868
Tier I capital (to average assets, leverage)	82,868		82,868
Common equity Tier 1 (to risk-weighted assets)	$ 65,242		$ 65,242
Actual Ratio Under RAP [Abstract]
Total capital (to risk-weighted assets) (as a percent)	14.794%		14.794%
Tier I capital (to risk-weighted assets) (in hundredths)	13.539%		13.539%
Tier I capital (to average assets, leverage) (as a percent)	10.354%		10.354%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	10.659%		10.659%
For capital adequacy purposes, amount [Abstract]
Total capital (to risk-weighted assets)	$ 52,792		$ 52,792
Tier I capital (to risk-weighted assets)	40,550		40,550
Tier I capital (to average assets, leverage)	32,015		32,015
Common equity Tier 1 (to risk-weighted assets)	$ 31,369		$ 31,369
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)	$ 61,208		$ 61,208
Tier I capital (to risk-weighted assets)	48,966		48,966
Tier I capital (to average assets, leverage)	40,019		40,019
Common equity Tier 1 (to risk-weighted assets)	$ 39,785		$ 39,785
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)	$ 61,208		$ 61,208
Tier I capital (to risk-weighted assets)	$ 48,966		$ 48,966
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 income			$ 4,410
Tax lien adjustment, net of noncontrolling interest			1,560
Net income			$ 5,970
As adjusted for RAP
Total capital (to risk-weighted assets) (in hundredths)	15.016%		15.016%
Tier 1 capital (to risk-weighted assets) (in hundredths)	13.761%		13.761%
Tier 1 capital (to average assets, leverage) (in hundredths)	10.53%		10.53%
Common equity Tier 1 (to risk-weighted assets) (in hundredths)	10.889%		10.889%