Note 11 - Fair Values (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities
U.S. Government agency debt obligations	$	396,220,000	$	0	$	396,220,000	$	0
Mortgage-backed securities		31,590,000		0		31,590,000		0
Municipal general obligation bonds		163,071,000		0		162,493,000		578,000
Municipal revenue bonds		28,592,000		0		28,592,000		0
Other investments		500,000		0		500,000		0
Interest rate swaps		22,871,000		0		22,871,000		0
Total assets	$	642,844,000	$	0	$	642,266,000	$	578,000
Interest rate swaps		23,254,000		0		23,254,000		0
Total liabilities	$	23,254,000	$	0	$	23,254,000	$	0

	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Available for sale securities
U.S. Government agency debt obligations	$	388,744,000	$	0	$	388,744,000	$	0
Mortgage-backed securities		31,953,000		0		31,953,000		0
Municipal general obligation bonds		154,433,000		0		153,855,000		578,000
Municipal revenue bonds		27,306,000		0		27,306,000		0
Other investments		500,000		0		500,000		0
Interest rate swaps		25,697,000		0		25,697,000		0
Total assets	$	628,633,000	$	0	$	628,055,000	$	578,000
Interest rate swaps		25,900,000		0		25,900,000		0
Total liabilities	$	25,900,000	$	0	$	25,900,000	$	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
	Total		(Level 1)		(Level 2)		(Level 3)
Collateral Dependent Loans	$	4,456,000	$	0	$	0	$	4,456,000
Foreclosed assets		661,000		0		0		661,000
Total	$	5,117,000	$	0	$	0	$	5,117,000

			Quoted
			Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Collateral dependent loans	$	5,290,000	$	0	$	0	$	5,290,000
Foreclosed assets		0		0		0		0
Total	$	5,290,000	$	0	$	0	$	5,290,000