Note 7 - Employee and Director Benefits (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

										Weighted
						Weighted				Average
						Average				Remaining				Aggregate
						Exercise				Contractual				Intrinsic
		Shares				Price				Term (years)				Value
														(In Thousands)
Six Months Ended June 30, 2026:
Outstanding at January 1, 2026			48,500			$	31.92				2.0			$	1,933
Exercised			(20,000	)			29.05				1.2				1,154
Forfeited			(5,500	)			32.75				0.8				297
Outstanding at June 30, 2026			23,000			$	34.22				2.0			$	1,208

Exercisable at June 30, 2026			23,000			$	34.22				2.0			$	1,208

Six Months Ended June 30, 2025:
Outstanding at January 1, 2025			80,450			$	26.03				1.9			$	4,723
Exercised			(27,950	)			16.80				-				1,697
Outstanding at June 30, 2025			52,500			$	30.95				2.3			$	2,444

Exercisable at June 30, 2025			52,500			$	30.95				2.3			$	2,444

Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block]

		Restricted Stock								Performance Shares
		Shares				Weighted Average Grant Date Fair Value				Shares				Weighted Average Grant Date Fair Value
Six Months Ended June 30, 2026:
Unvested at January 1, 2026			139,413			$	72.15				30,092			$	70.45
Granted			43,179				81.83				10,425				85.26
Vested			(27,439	)			65.83				-				-
Forfeited			(8,987	)			77.89				(1,903	)			78.73
Unvested at June 30, 2026			146,166			$	75.84				38,614			$	74.04

Six Months Ended June 30, 2025:
Unvested at January 1, 2025			145,837			$	66.35				30,065			$	70.45
Granted			31,756				84.82				6,316				84.64
Additional performance share attainment			-				-				290				89.68
Vested			(34,299	)			61.51				(5,813	)			75.28
Forfeited			(1,266	)			79.02				(1,295	)			57.52
Unvested at June 30, 2025			142,028			$	71.54				29,563			$	73.29