Note 11 - Fair Values (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

			Quoted
			Prices in
			Active
			Markets		Significant
			for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
Available for sale securities
U.S. Government agency debt obligations	$	385,709	$	0	$	385,709	$	0
Mortgage-backed securities		27,782		0		27,782		0
Municipal general obligation bonds		166,632		0		166,126		506
Municipal revenue bonds		28,530		0		28,530		0
Other investments		500		0		500		0
Interest rate swaps		29,661		0		29,661		0
Total assets	$	638,814	$	0	$	638,308	$	506
Interest rate swaps		30,036		0		30,036		0
Total liabilities	$	30,036	$	0	$	30,036	$	0

			Quoted
			Prices in
			Active
			Markets		Significant
			for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
Available for sale securities
U.S. Government agency debt obligations	$	390,496	$	0	$	390,496	$	0
Mortgage-backed securities		29,473		0		29,473		0
Municipal general obligation bonds		167,860		0		167,347		513
Municipal revenue bonds		28,763		0		28,763		0
Other investments		500		0		500		0
Interest rate swaps		27,505		0		27,505		0
Total assets	$	644,597	$	0	$	644,084	$	513
Interest rate swaps		27,964		0		27,964		0
Total liabilities	$	27,964	$	0	$	27,964	$	0

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

			Quoted
			Prices in
			Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
Collateral dependent loans	$	1,573	$	0	$	0	$	1,573
Foreclosed assets		200		0		0		200
Total	$	1,773	$	0	$	0	$	1,773

			Quoted
			Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
Collateral dependent loans	$	1,434	$	0	$	0	$	1,434
Foreclosed assets		200		0		0		200
Total	$	1,634	$	0	$	0	$	1,634