Note 9 - Derivatives (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

		Income Recognized (in thousands)
Derivatives	Location on statement of operations	March 31, 2013
Interest rate swap contracts:
Interest income	Net gain on derivatives	$	113
Interest expense	Net gain on derivatives		(1,063	)
Realized (loss)	Net gain on derivatives		-
Changes in fair value	Net gain on derivatives		3,115
			2,165
Interest rate swaptions:
Changes in fair value	Net gain on derivatives		329
			329
Totals		$	2,494

Initial [Member]

Schedule of Derivative Instruments [Table Text Block]

	Notional Amount		Assets at Fair Value (1)		Liabilities at Fair Value (1)
	(in thousands)
Interest rate swap contracts	$	475,000	$	2,792	$	(597	)
Interest rate swaptions		130,000		4,874		-
Totals	$	605,000	$	7,666	$	(597	)

	Notional Amount		Assets at Fair Value (1)		Liabilities at Fair Value (1)
	(in thousands)
Interest rate swap contracts	$	325,000	$	395	$	(365	)
Interest rate swaptions		130,000		4,545		-
Totals	$	455,000	$	4,940	$	(365	)

Additional [Member]

Schedule of Derivative Instruments [Table Text Block]

			Gross Amounts Not Offset in the Condensed Balance Sheet
Assets	Gross Amounts of Assets Presented in the Condensed Balance Sheet		Financial Instruments			Cash Collateral Held			Net Amount
	(in thousands)
Interest rate swap contracts	$	2,792	$	(172	)	$	-		$	2,620
Interest rate swaptions		4,874		-			(5,431	)		(557	)
Totals	$	7,666	$	(172	)	$	(5,431	)	$	2,063

				Gross Amounts Not Offset in the Condensed Balance Sheet
Liabilities	Gross Amounts of Liabilities Presented in the Condensed Balance Sheet			Financial Instruments		Cash Collateral Posted		Net Amount
	(in thousands)
Interest rate swap contracts	$	(597	)	$	172	$	425	$	-
Totals	$	(597	)	$	172	$	425	$	-

			Gross Amounts Not Offset in the Condensed Balance Sheet
Assets	Gross Amounts of Assets Presented in the Condensed Balance Sheet		Financial Instruments			Cash Collateral Held			Net Amount
	(in thousands)
Interest rate swap contracts	$	395	$	(92	)	$	-		$	303
Interest rate swaptions		4,545		-			(1,426	)		3,119
Totals	$	4,940	$	(92	)	$	(1,426	)	$	3,422

				Gross Amounts Not Offset in the Condensed Balance Sheet
Liabilities	Gross Amounts of Liabilities Presented in the Condensed Balance Sheet			Financial Instruments		Cash Collateral Posted		Net Amount
	(in thousands)
Interest rate swap contracts	$	(365	)	$	92	$	273	$	-
Totals	$	(365	)	$	92	$	273	$	-