Note 21 - Regulatory Requirements and Restrictions (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

	December 31, 2020
	Actual					Minimum Basel III Requirement					Minimum Basel III Requirement - with CCB					Well Capitalized Requirement(1)
(Amounts in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
The Company
Common equity Tier 1 ratio	$	292,019		14.28	%	$	92,043		4.50	%	$	143,178		7.00	%		N/A		N/A
Tier 1 risk-based capital ratio		292,019		14.28	%		122,724		6.00	%		214,767		8.50	%		N/A		N/A
Total risk-based capital ratio		317,595		15.53	%		163,632		8.00	%		173,859		10.50	%		N/A		N/A
Tier 1 Leverage ratio		292,019		10.24	%		114,081		4.00	%		N/A		N/A			N/A		N/A
The Bank
Common equity Tier 1 ratio	$	277,449		13.57	%	$	92,017		4.50	%	$	143,137		7.00	%	$	132,913		6.50	%
Tier 1 risk-based capital ratio		277,449		13.57	%		122,689		6.00	%		173,809		8.50	%		163,585		8.00	%
Total risk-based capital ratio		303,018		14.82	%		163,585		8.00	%		214,706		10.50	%		204,482		10.00	%
Tier 1 Leverage ratio		277,449		9.73	%		114,058		4.00	%		N/A		N/A			142,572		5.00	%

	December 31, 2019
	Actual					Minimum Basel III Requirement					Minimum Basel III Requirement - with CCB					Well Capitalized Requirement(1)
(Amounts in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
The Company
Common equity Tier 1 ratio	$	292,241		14.31	%	$	91,926		4.50	%	$	142,996		7.00	%		N/A		N/A
Tier 1 risk-based capital ratio		292,241		14.31	%		122,568		6.00	%		173,637		8.50	%		N/A		N/A
Total risk-based capital ratio		310,732		15.21	%		163,423		8.00	%		214,493		10.50	%		N/A		N/A
Tier 1 Leverage ratio		292,241		14.01	%		83,408		4.00	%		N/A		N/A			N/A		N/A
The Bank
Common equity Tier 1 ratio	$	262,716		12.87	%	$	91,860		4.50	%	$	142,893		7.00	%	$	132,686		6.50	%
Tier 1 risk-based capital ratio		262,716		12.87	%		122,480		6.00	%		173,513		8.50	%		163,306		8.00	%
Total risk-based capital ratio		281,207		13.78	%		163,306		8.00	%		214,339		10.50	%		204,133		10.00	%
Tier 1 Leverage ratio		262,716		12.61	%		83,313		4.00	%		N/A		N/A			104,141		5.00	%