Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2018

Regulatory Capital Requirements [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

	Actual				Minimum to be Well Capitalized
(dollars in thousands)	Amount		Ratio		Amount		Ratio
December 31, 2018
Total capital to risk weighted assets:
Corporation	$	500,375	14.30	%	$	349,918	10.00	%
Bank	$	419,136	11.99	%	$	349,692	10.00	%
Tier I capital to risk weighted assets:
Corporation	$	382,151	10.92	%	$	279,934	8.00	%
Bank	$	399,438	11.42	%	$	279,754	8.00	%
Common equity Tier I risk weighted assets:
Corporation	$	361,256	10.32	%	$	227,446	6.50	%
Bank	$	399,438	11.42	%	$	227,300	6.50	%
Tier I leverage ratio (Tier I capital to total quarterly average assets):
Corporation	$	382,151	9.06	%	$	210,830	5.00	%
Bank	$	399,438	9.48	%	$	210,615	5.00	%
December 31, 2017
Total capital to risk weighted assets:
Corporation	$	463.637	13.92	%	$	333,068	10.00	%
Bank	$	387,067	11.65	%	$	332,388	10.00	%
Tier I capital to risk weighted assets:
Corporation	$	347.187	10.42	%	$	266,454	8.00	%
Bank	$	369,033	11.10	%	$	265,910	8.00	%
Common equity Tier I to risk weighted assets:
Corporation	$	328.676	9.87	%	$	216,494	6.50	%
Bank	$	369,033	11.10	%	$	216,052	6.50	%
Tier I leverage ratio (Tier I capital to total quarterly average assets):
Corporation	$	347.187	10.10	%	$	171,804	5.00	%
Bank	$	369,033	10.75	%	$	171,609	5.00	%