Note 5 - Investments in Affordable Housing and Alternative Energy Partnerships - Unfunded Commitments Future Estimated Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
2020	$ 64,137
2021	26,914
2022	17,382
2023	1,695
2024	770
Thereafter	3,643
Total unfunded commitments	$ 114,541	$ 113,046

Amount of scheduled funding for unfunded commitments in the next 12 months for affordable housing investments.

No definition available.

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Amount of scheduled funding for unfunded commitments in the fifth fiscal year following the latest fiscal year for affordable housing investments.

No definition available.

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Amount of scheduled funding for unfunded commitments in the fourth fiscal year following the latest fiscal year for affordable housing investments.

No definition available.

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Amount of scheduled funding for unfunded commitments in the third fiscal year following the latest fiscal year for affordable housing investments.

No definition available.

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Amount of scheduled funding for unfunded commitments in the second fiscal year following the latest fiscal year for affordable housing investments.

No definition available.

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Amount of scheduled funding for unfunded commitments after the fifth fiscal year following the latest fiscal year for affordable housing investments.

No definition available.

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Other liabilities from affordable housing unfunded commitments.

No definition available.

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