Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2017

Banking and Thrift [Abstract]

Actual and Required Capital Ratios of Bank

The following tables present actual and required capital ratios as of December 31, 2017 and 2016 for the Company and the Bank under Basel III Capital Rules. The minimum capital amounts presented include the minimum required capital levels as of December 31, 2017 and 2016 based on the phased-in provisions of the Basel III Capital Rules and the minimum required capital levels as of January 1, 2019 when the Basel III Capital Rules have been fully phased-in. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules.

	Actual					Minimum Capital Required – Basel III Phase-in Schedule					Minimum Capital Required – Basel III Fully Phased In					Required to be Considered Well Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of December 31, 2017:
Total Capital
(to Risk Weighted Assets):
Consolidated	$	528,805		14.07	%	$	347,694		9.250	%	$	394,679		10.50	%		N/A		N/A
Tri Counties Bank	$	525,384		13.98	%	$	347,535		9.250	%	$	394,499		10.50	%	$	375,713		10.00	%
Tier 1 Capital
(to Risk Weighted Assets):
Consolidated	$	495,318		13.18	%	$	272,517		7.250	%	$	319,502		8.50	%		N/A		N/A
Tri Counties Bank	$	491,897		13.09	%	$	272,392		7.250	%	$	319,356		8.50	%	$	300,570		8.00	%
Common equity Tier 1 Capital
(to Risk Weighted Assets):
Consolidated	$	440,643		11.72	%	$	216,134		5.750	%	$	263,120		7.00	%		N/A		N/A
Tri Counties Bank	$	491,897		13.09	%	$	216,035		5.750	%	$	262,999		7.00	%	$	244,214		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	495,318		10.80	%	$	183,400		4.000	%	$	183,400		4.00	%		N/A		N/A
Tri Counties Bank	$	491,897		10.73	%	$	183,394		4.000	%	$	183,394		4.00	%	$	229,243		5.00	%
As of December 31, 2016:
Total Capital
(to Risk Weighted Assets):
Consolidated	$	503,283		14.77	%	$	293,854		8.625	%	$	357,735		10.50	%		N/A		N/A
Tri Counties Bank	$	500,876		14.71	%	$	293,706		8.625	%	$	357,556		10.50	%	$	340,529		10.00	%
Tier 1 Capital
(to Risk Weighted Assets):
Consolidated	$	468,061		13.74	%	$	225,714		6.625	%	$	289,595		8.50	%		N/A		N/A
Tri Counties Bank	$	465,654		13.67	%	$	225,601		6.625	%	$	289,450		8.50	%	$	274,725		8.00	%
Common equity Tier 1 Capital
(to Risk Weighted Assets):
Consolidated	$	414,632		12.17	%	$	174,609		5.125	%	$	238,490		7.00	%		N/A		N/A
Tri Counties Bank	$	465,654		13.66	%	$	174,521		5.125	%	$	238,370		7.00	%	$	221,344		6.50	%
Tier 1 Capital (to Average Assets):
Consolidated	$	468,061		10.62	%	$	176,346		4.000	%	$	176,346		4.00	%		N/A		N/A
Tri Counties Bank	$	465,654		10.56	%	$	176,341		4.000	%	$	176,341		4.00	%	$	220,426		5.00	%