Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2023

Banking Regulation, Global Systemically Important Bank (GSIB) Surcharge [Abstract]

Actual and Required Capital Ratios of Bank

	Actual				Required for Capital Adequacy Purposes				Required to be Considered Well Capitalized
As of March 31, 2023:	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(dollars in thousands)
Total Capital (to Risk Weighted Assets):
Consolidated	$	1,134,613	14.50	%	$	821,668	10.50	%	N/A		N/A
Tri Counties Bank	$	1,127,852	14.42	%	$	821,470	10.50	%	$	782,352	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	994,155	12.70	%	$	665,160	8.50	%	N/A		N/A
Tri Counties Bank	$	1,029,875	13.16	%	$	665,000	8.50	%	$	625,882	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	937,300	11.98	%	$	547,779	7.00	%	N/A		N/A
Tri Counties Bank	$	1,029,875	13.16	%	$	547,647	7.00	%	$	508,529	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	994,155	10.20	%	$	393,017	4.00	%	N/A		N/A
Tri Counties Bank	$	1,029,875	10.57	%	$	392,873	4.00	%	$	491,091	5.00	%

	Actual				Required for Capital Adequacy Purposes				Required to be Considered Well Capitalized
As of December 31, 2022:	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(dollars in thousands)
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	%