Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2020

Banking and Thrift [Abstract]

Actual and Required Capital Ratios of Bank

	Actual				Required for Capital Adequacy Purposes				Required to be Considered Well Capitalized Under Prompt Corrective Action Regulations
(in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2020:
Total Capital (to Risk Weighted Assets):
Consolidated	$	793,433	15.22	%	$	547,352	10.50	%	N/A		N/A
Tri Counties Bank	$	780,320	14.97	%	$	547,156	10.50	%	$	521,101	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	727,879	13.96	%	$	443,094	8.50	%	N/A		N/A
Tri Counties Bank	$	714,811	13.72	%	$	442,936	8.50	%	$	416,881	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	671,975	12.89	%	$	364,901	7.00	%	N/A		N/A
Tri Counties Bank	$	714,811	13.72	%	$	364,771	7.00	%	$	338,716	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	727,879	9.93	%	$	293,138	4.00	%	N/A		N/A
Tri Counties Bank	$	714,811	9.76	%	$	292,949	4.00	%	$	366,186	5.00	%

	Actual				Required for Capital Adequacy Purposes				Required to be Considered Well Capitalized Under Prompt Corrective Action Regulations
(in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2019:
Total Capital (to Risk Weighted Assets):
Consolidated	$	753,200	15.07	%	$	524,944	10.50	%	N/A		N/A
Tri Counties Bank	$	748,660	14.98	%	$	524,759	10.50	%	$	499,770	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	719,809	14.40	%	$	424,955	8.50	%	N/A		N/A
Tri Counties Bank	$	715,269	14.31	%	$	424,805	8.50	%	$	399,816	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	664,296	13.29	%	$	349,963	7.00	%	N/A		N/A
Tri Counties Bank	$	715,269	14.31	%	$	349,839	7.00	%	$	324,851	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	719,809	11.55	%	$	249,343	4.00	%	N/A		N/A
Tri Counties Bank	$	715,269	11.47	%	$	249,337	4.00	%	$	311,672	5.00	%