Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2024

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, 2024:	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(dollars in thousands)
Total Capital (to Risk Weighted Assets):
Consolidated	$	1,212,626	14.97	%	$	850,469	10.50	%	N/A		N/A
Tri Counties Bank	$	1,202,415	14.85	%	$	850,265	10.50	%	$	809,776	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	1,068,911	13.20	%	$	688,475	8.50	%	N/A		N/A
Tri Counties Bank	$	1,100,831	13.59	%	$	688,310	8.50	%	$	647,821	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	1,011,649	12.49	%	$	566,979	7.00	%	N/A		N/A
Tri Counties Bank	$	1,100,831	13.59	%	$	566,843	7.00	%	$	526,355	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	1,068,911	11.01	%	$	388,326	4.00	%	N/A		N/A
Tri Counties Bank	$	1,100,831	11.34	%	$	388,253	4.00	%	$	485,316	5.00	%

	Actual				Required for Capital Adequacy Purposes				Required to be Considered Well Capitalized
As of December 31, 2023:	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(dollars in thousands)
Total Capital (to Risk Weighted Assets):
Consolidated	$	1,196,106	14.73	%	$	852,850	10.50	%	N/A		N/A
Tri Counties Bank	$	1,190,542	14.66	%	$	852,648	10.50	%	$	812,046	10.00	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	1,052,063	12.95	%	$	690,402	8.50	%	N/A		N/A
Tri Counties Bank	$	1,088,717	13.41	%	$	690,239	8.50	%	$	649,637	8.00	%
Common equity Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	994,907	12.25	%	$	568,566	7.00	%	N/A		N/A
Tri Counties Bank	$	1,088,717	13.41	%	$	568,432	7.00	%	$	527,830	6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	1,052,063	10.75	%	$	391,620	4.00	%	N/A		N/A
Tri Counties Bank	$	1,088,717	11.12	%	$	391,574	4.00	%	$	489,468	5.00	%