Note 16 - Regulatory Matters and Restrictions on Dividends (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

						Regulatory Minimum Capital Requirement					Regulatory Minimum To Be Well
	Actual					with Basel III Capital Conservation Buffer					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
December 31, 2019
Total capital to risk weighted assets:
Consolidated	$	360,645		15.0	%	$	253,215		10.5	%	$	241,157		10.0	%
Wilson Bank		359,576		14.9			252,675		10.5			240,643		10.0
Tier 1 capital to risk weighted assets:
Consolidated		331,485		13.7			204,984		8.5			144,694		6.0
Wilson Bank		330,416		13.7			204,547		8.5			192,515		8.0
Common equity Tier 1 capital to risk weighted assets:
Consolidated		331,485		13.7			168,810		7.0			N/A		N/A
Wilson Bank		330,416		13.7			168,451		7.0			156,418		6.5
Tier 1 capital to average assets:
Consolidated		331,485		12.4			106,565		4.0			N/A		N/A
Wilson Bank		330,416		11.9			110,764		4.0			138,454		5.0

						Regulatory Minimum Capital Requirement					Regulatory Minimum To Be Well
	Actual					with Basel III Capital Conservation Buffer					Capitalized
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
December 31, 2018
Total capital to risk weighted assets:
Consolidated	$	326,099		14.1	%	$	227,974		9.875	%	$	230,860		10.0	%
Wilson Bank		323,852		14.0			227,915		9.875			230,800		10.0
Tier 1 capital to risk weighted assets:
Consolidated		298,566		12.9			181,802		7.875			138,516		6.0
Wilson Bank		296,319		12.8			181,756		7.875			184,641		8.0
Common equity Tier 1 capital to risk weighted assets:
Consolidated		298,566		12.9			147,173		6.375			N/A		N/A
Wilson Bank		296,319		12.8			147,136		6.375			150,021		6.5
Tier 1 capital to average assets:
Consolidated		298,566		12.3			97,022		4.0			N/A		N/A
Wilson Bank		296,319		11.9			99,373		4.0			124,217		5.0

	2016			2017			2018			2019
Common Equity Tier 1 Ratio		5.125	%		5.75	%		6.375	%		7.0	%
Tier 1 Capital to Risk Weighted Assets Ratio		6.625	%		7.25	%		7.875	%		8.5	%
Total Capital to Risk Weighted Assets Ratio		8.625	%		9.25	%		9.875	%		10.5	%