Note 10 - Derivative Financial Instruments (Detail) - Derivative financial instruments (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Notional Amount	$ 118,000
Purchase Price	9,035
Cumulative Unrealized Loss	11,680
Net Gain (loss) Position (1)	(2,645)
Interest Rate Cap [Member]
Notional Amount	100,000
Purchase Price	9,035
Cumulative Unrealized Loss	8,941
Net Gain (loss) Position (1)	94
Interest Rate Swap [Member]
Notional Amount	18,000
Cumulative Unrealized Loss	2,739
Net Gain (loss) Position (1)	$ (2,739)