Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2022

Regulated Operations [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, 2022:
Total Capital (to Risk Weighted Assets):
Consolidated	$	1,115,257	14.19	%	$	825,234	10.50	%	N/A		N/A
Tri Counties Bank	$	1,107,941	14.10	%	$	825,039	10.50	%	$	785,751	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	974,325	12.40	%	$	668,047	8.50	%	N/A		N/A
Tri Counties Bank	$	1,009,577	12.85	%	$	667,888	8.50	%	$	628,601	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	917,565	11.67	%	$	550,156	7.00	%	N/A		N/A
Tri Counties Bank	$	1,009,577	12.85	%	$	550,026	7.00	%	$	510,738	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	974,325	10.14	%	$	384,337	4.00	%	N/A		N/A
Tri Counties Bank	$	1,009,577	10.51	%	$	384,146	4.00	%	$	480,183	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, 2021:
Total Capital (to Risk Weighted Assets):
Consolidated	$	893,294	15.42	%	$	608,258	10.50	%	N/A		N/A
Tri Counties Bank	$	884,255	15.28	%	$	607,610	10.50	%	$	578,676	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	820,654	14.17	%	$	492,399	8.50	%	N/A		N/A
Tri Counties Bank	$	811,713	14.03	%	$	491,875	8.50	%	$	462,941	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	764,319	13.19	%	$	405,505	7.00	%	N/A		N/A
Tri Counties Bank	$	811,713	14.03	%	$	405,073	7.00	%	$	376,140	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	820,654	9.88	%	$	332,205	4.00	%	N/A		N/A
Tri Counties Bank	$	811,713	9.77	%	$	332,196	4.00	%	$	415,245	5.00	%