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

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	As of December 31,
(In thousands)	2020		2019
Investments in affordable housing partnerships, net	$	279,981	$	276,506
Other borrowings for affordable housing limited partnerships	$	23,714	$	29,022
Investments in affordable housing and alternative energy partnerships, unfunded commitments	$	103,060	$	114,541
Investments in alternative energy tax credit partnerships, net	$	29,035	$	32,175

Unfunded Commitments Future Estimated Payments [Table Text Block]

	Amount
Year Ending December 31,	(In thousands)
2021	$	41,602
2022		34,696
2023		19,782
2024		1,408
2025		619
Thereafter		4,953
Total unfunded commitments	$	103,060

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

	As of December 31,
(In thousands)	2020		2019		2018
Affordable housing and other tax credits recognized	$	23,273	$	21,523	$	18,860
Alternative energy tax credit usage	$	29,706	$	17,786	$	15,013