Note 19 - Derivative Financial Instruments - Derivative Financial Instruments (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Interest rate swaps, notional amount		$ 253,414	$ 164,864
Interest rate swaps, net carrying value	[1]	2,964	(4,266)
Designated as Hedging Instrument [Member]
Interest rate swaps, notional amount		217,100	128,500
Not Designated as Hedging Instrument [Member]
Interest rate swaps, notional amount		36,300	36,300
Interest Rate Swap [Member]
Interest rate swaps, notional amount		235,400	146,900
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Interest rate swaps, notional amount		182,177	28,588
Interest rate swaps, net carrying value	[1]	6,350	48
Interest Rate Swaps 1 [Member] | Designated as Hedging Instrument [Member]
Interest rate swaps, notional amount		34,916	99,955
Interest rate swaps, net carrying value	[1]	(658)	(1,515)
Interest Rate Swaps 2 [Member] | Not Designated as Hedging Instrument [Member]
Interest rate swaps, notional amount		36,321	36,321
Interest rate swaps, net carrying value	[1]	$ (2,728)	$ (2,799)

[1] Derivatives in a net positive position are recorded as "Other assets" and derivatives in a net negative position are recorded as "Other liabilities" in the Consolidated Statements of Financial Condition. There were no unrealized losses at December 31, 2016 and 2015.