Note 11 - Fair Values (Tables)

6 Months Ended

Jun. 30, 2021

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	$	320,141,000	$	0	$	320,141,000	$	0
Mortgage-backed securities		37,319,000		0		37,319,000		0
Municipal general obligation bonds		129,435,000		0		128,718,000		717,000
Municipal revenue bonds		18,730,000		0		18,730,000		0
Other investments		500,000		0		500,000		0
Total	$	506,125,000	$	0	$	505,408,000	$	717,000

	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	$	242,141,000	$	0	$	242,141,000	$	0
Mortgage-backed securities		24,890,000		0		24,890,000		0
Municipal general obligation bonds		107,824,000		0		107,058,000		766,000
Municipal revenue bonds		11,992,000		0		11,992,000		0
Other investments		500,000		0		500,000		0
Total	$	387,347,000	$	0	$	386,581,000	$	766,000

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [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)
Impaired loans	$	4,999,000	$	0	$	0	$	4,999,000
Foreclosed assets		404,000		0		0		404,000
Total	$	5,403,000	$	0	$	0	$	5,403,000

	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Impaired loans	$	2,880,000	$	0	$	0	$	2,880,000
Foreclosed assets		701,000		0		0		701,000
Total	$	3,581,000	$	0	$	0	$	3,581,000