Note 6 - Investments in Affordable Housing and Alternative Energy Partnerships (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Investments in Affordable Housing and Alternative Energy Partnerships [Table Text Block]

	As of December 31,
	2022		2021
	(In thousands)
Investments in affordable housing partnerships, net	$	289,920	$	287,517
Other borrowings for affordable housing limited partnerships	$	22,600	$	23,145
Investments in affordable housing and alternative energy partnerships, unfunded commitments	$	133,491	$	107,652
Investments in alternative energy tax credit partnerships, net	$	37,208	$	11,694

Unfunded Commitments Future Estimated Payments [Table Text Block]

	Amount
Year Ending December 31,	(In thousands)
2023	$	78,897
2024	$	33,154
2025	$	14,076
2026	$	1,678
2027	$	1,533
Thereafter	$	4,153
Total unfunded commitments	$	133,491

Usage of Affordable Housing and Other Tax Credits Including Energy Tax Credit [Table Text Block]

	As of December 31,
	2022		2021		2020
	(In thousands)
Affordable housing and other tax credits recognized	$	29,524	$	26,459	$	23,273
Alternative energy tax credits recognized	$	4,707	$	6,337	$	29,706