Represents the class and trance of trust preferred securities.

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Represents conditional default rates for 2017 and beyond.

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Represents the current number of deferrals and defaults as a percentage of the current collateral balance.

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Represents the number of banks currently performing.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Description of the credit rating indicative of likelihood of repayment of the debt instrument given by a credit rating agency (for example, Standard and Poor's, Moody's, Fitch).

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The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).

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Note 5 - Investment Securities - Trust Preferred Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Amortized Cost	$ 372,014	$ 380,396
Investment securities available for sale, at fair value	362,328	369,739
Unrealized Losses	(10,162)	(10,993)
Cumulative OTTI Life to Date	$ 937	937	$ 931	$ 930
TPREF Funding II [Member]
Class / Tranche	Class B Notes
Amortized Cost	$ 725
Investment securities available for sale, at fair value	428
Unrealized Losses	$ (297)
Lowest Credit Rating Assigned	C
Number of Banks Currently Performing	19
Deferrals / Defaults as % of Current Balance	29.00%
Conditional Default Rates for 2015 and beyond	0.41%
Cumulative OTTI Life to Date	$ 274
TPREF Funding III [Member]
Class / Tranche	Class B2 Notes
Amortized Cost	$ 1,518
Investment securities available for sale, at fair value	956
Unrealized Losses	$ (562)
Lowest Credit Rating Assigned	C
Number of Banks Currently Performing	15
Deferrals / Defaults as % of Current Balance	28.00%
Conditional Default Rates for 2015 and beyond	0.42%
Cumulative OTTI Life to Date	$ 483
ALESCO Preferred Funding V [Member]
Class / Tranche	Class C1 Notes
Amortized Cost	$ 820
Investment securities available for sale, at fair value	577
Unrealized Losses	$ (243)
Lowest Credit Rating Assigned	C
Number of Banks Currently Performing	40
Deferrals / Defaults as % of Current Balance	15.00%
Conditional Default Rates for 2015 and beyond	0.43%
Cumulative OTTI Life to Date	$ 180
Collateralized Debt Obligations [Member]
Amortized Cost	3,063	3,063
Investment securities available for sale, at fair value	1,961	1,820
Unrealized Losses	$ (1,102)	$ (1,243)
Number of Banks Currently Performing	74
Deferrals / Defaults as % of Current Balance	24.00%
Conditional Default Rates for 2015 and beyond
Cumulative OTTI Life to Date	$ 937