Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2020

Banking Regulation, Total Capital [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

	Actual				Minimum Required Capital - Basel III			Minimum Required To Be Well Capitalized
Dollars in thousands	Amount		Ratio		Amount	Ratio		Amount	Ratio
As of December 31, 2020
CET1 (to risk weighted assets)
Summit	$	233,768	9.3	%	N/A	N/A		N/A	N/A
Summit Community	279,540		11.1	%	176,286	7.0	%	163,695	6.5	%
Tier I Capital (to risk weighted assets)
Summit	252,768		10.0	%	N/A	N/A		N/A	N/A
Summit Community	279,540		11.1	%	214,062	8.5	%	201,470	8.0	%
Total Capital (to risk weighted assets)
Summit	305,309		12.1	%	N/A	N/A		N/A	N/A
Summit Community	302,716		12.0	%	264,877	10.5	%	252,263	10.0	%
Tier I Capital (to average assets)
Summit	252,768		8.6	%	N/A	N/A		N/A	N/A
Summit Community	279,540		9.5	%	117,701	4.0	%	147,126	5.0	%
As of December 31, 2019
CET1 (to risk weighted assets)
Summit	224,679		11.1	%	N/A	N/A		N/A	N/A
Summit Community	244,045		12.1	%	141,183	7.0	%	131,099	6.5	%
Tier I Capital (to risk weighted assets)
Summit	243,679		12.1	%	N/A	N/A		N/A	N/A
Summit Community	244,045		12.1	%	171,437	8.5	%	161,352	8.0	%
Total Capital (to risk weighted assets)
Summit	256,753		12.7	%	N/A	N/A		N/A	N/A
Summit Community	257,119		12.7	%	212,579	10.5	%	202,456	10.0	%
Tier I Capital (to average assets)
Summit	243,679		10.5	%	N/A	N/A		N/A	N/A
Summit Community	244,045		10.6	%	92,092	4.0	%	115,116	5.0	%