Note 5 - Investments in Affordable Housing and Alternative Energy Partnerships (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	As of December 31,
	2021		2020
	(In thousands)
Investments in affordable housing partnerships, net	$	287,517	$	279,981
Other borrowings for affordable housing limited partnerships	$	23,145	$	23,714
Investments in affordable housing and alternative energy partnerships, unfunded commitments	$	107,652	$	103,060
Investments in alternative energy tax credit partnerships, net	$	11,694	$	29,035

Unfunded Commitments Future Estimated Payments [Table Text Block]

	Amount
Year Ending December 31,	(In thousands)
2022	$	49,206
2023		32,635
2024		17,722
2025		1,977
2026		1,489
Thereafter		4,623
Total unfunded commitments	$	107,652

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

			As of December 31,
	2021		2020		2019
			(In thousands)
Affordable housing and other tax credits recognized	$	26,459	$	23,273	$	21,523
Alternative energy tax credits recognized	$	6,337	$	29,706	$	17,786