Note 14 - Derivatives (Details) - Gains (Losses) on Derivatives and Location on Income Statement (Forward Starting Interest Rate Swaps [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ 22		$ 150		$ 1,900		$ 450
Reclassification out of Accumulated Other Comprehensive Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Forward starting interest rate swaps (1)	22	[1]	150	[1]	283	[1]	450	[1]
Forward starting interest rate swaps (1)		[1]			$ 1,617

[1] Cash flow hedge designation removed. Gains represent tax adjusted amounts reclassified from accumulated OCI pertaining to the terminated forward starting interest rate swap.