Note 12 - Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	FNCB Bank					Minimum Required For Capital Adequacy Purposes			Minimum Required For Capital Adequacy Purposes with Conservation Buffer			Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations
(dollars in thousands)	Amount		Ratio			Ratio			Ratio			Ratio
March 31, 2024
Total capital (to risk-weighted assets)	$	189,786		13.45	%		8.00	%		10.50	%		10.00	%
Tier I capital (to risk-weighted assets)		176,172		12.49	%		6.00	%		8.50	%		8.00	%
Tier I common equity (to risk-weighted assets)		176,172		12.49	%		4.50	%		7.00	%		6.50	%
Tier I capital (to average assets)		176,172		9.47	%		4.00	%		4.00	%		5.00	%
Total risk-weighted assets		1,410,755
Total average assets		1,861,189

	FNCB Bank					Minimum Required For Capital Adequacy Purposes			Minimum Required For Capital Adequacy Purposes with Conservation Buffer			Minimum Required To Be Well Capitalized Under Prompt Corrective Action Regulations
(dollars in thousands)	Amount		Ratio			Ratio			Ratio			Ratio
December 31, 2023
Total capital (to risk-weighted assets)	$	175,296		12.66	%		8.00	%		10.50	%		10.00	%
Tier I capital (to risk-weighted assets)		161,896		11.69	%		6.00	%		8.50	%		8.00	%
Tier I common equity (to risk-weighted assets)		161,896		11.69	%		4.50	%		7.00	%		6.50	%
Tier I capital (to average assets)		161,896		8.76	%		4.00	%		4.00	%		5.00	%
Total risk-weighted assets		1,384,710
Total average assets		1,848,752