Note 6 - Goodwill and Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Goodwill [Table Text Block]

	At December 31, 2021		At December 31, 2020
	(In thousands)
Goodwill	$	121,673	$	121,673

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	At December 31, 2021					At December 31, 2020
	Gross					Gross
	Carrying		Accumulated			Carrying		Accumulated
	Amount		Amortization			Amount		Amortization
	(In thousands)
Core deposit intangibles	$	56,808	$	(55,973	)	$	56,808	$	(55,704	)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Total
	Core
	Deposit
	Intangibles
	(In thousands)
For the year ended Decptember 31, 2021 (actual)	$	269
Estimate for year ending December 31, 2022		252
2023		236
2024		222
2025		125