Note 5 - Acquired Loans (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure Text Block [Abstract]

Acquired Loans [Table Text Block]

	June 30, 2013							December 31, 2012
	Covered			Non-Covered		Total		Covered			Non-Covered		Total
Purchased impaired loans		133,675	(1)		16,312		149,987		154,762	(1)		18,198		172,960
Other loans (2)		38,186			20,441		58,627		43,132			22,480		65,612
Total acquired loans	$	171,861		$	36,753	$	208,614	$	197,894		$	40,678	$	238,572

FDIC Indemnification Asset Roll Forward [Table Text Block]

	Quarters Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Beginning balance	$	28,958		$	58,488		$	37,051		$	65,609
Amortization		(908	)		(2,517	)		(2,232	)		(4,496	)
Expected reimbursements from the FDIC for changes in expected credit losses		(1,512	)		7,738			(2,454	)		9,772
Payments received from the FDIC		(3,380	)		(5,407	)		(9,207	)		(12,583	)
Ending balance	$	23,158		$	58,302		$	23,158		$	58,302

Schedule Of Changes In Accretable Yield For Purchased Credit Impaired Loans [Table Text Block]

	Quarters Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Beginning balance	$	45,532		$	41,045		$	51,498		$	52,147
Accretion		(4,456	)		(5,794	)		(8,342	)		(11,181	)
Other		6,028			13,729			3,948			8,014
Ending balance	$	47,104		$	48,980		$	47,104		$	48,980