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

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	As of December 31,
(In thousands)	2019		2018
Investments in affordable housing partnerships, net	$	276,506	$	259,046
Other borrowings for affordable housing limited partnerships	$	29,022	$	17,298
Investments in affordable housing and alternative energy partnerships, unfunded commitments	$	114,541	$	113,046
Investments in alternative energy tax credit partnerships, net	$	32,175	$	23,688

Unfunded Commitments Future Estimated Payments [Table Text Block]

	Amount
Year Ending December 31,	(In thousands)
2020	$	64,137
2021		26,914
2022		17,382
2023		1,695
2024		770
Thereafter		3,643
Total unfunded commitments	$	114,541

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

	As of December 31,
(In thousands)	2019		2018		2017
Affordable housing and other tax credits recognized	$	21,523	$	18,860	$	17,727
Alternative energy tax credit usage	$	17,786	$	15,013	$	3,301