Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014		Jun. 30, 2014		Dec. 31, 2013
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	$ 21,007		$ 21,007		$ 27,606
Total gains (losses)	(263)		(494)		(2,136)
Fair Value, Inputs, Level 1 [Member] | Loans Held For Sale [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0		0		0
Fair Value, Inputs, Level 1 [Member] | Mortgage Servicing Rights [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0		0		0
Fair Value, Inputs, Level 1 [Member] | Loans Receivable [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0	[1]	0	[1]	0	[1]
Fair Value, Inputs, Level 1 [Member] | Real estate, net [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0	[2]	0	[2]	0	[2]
Fair Value, Inputs, Level 1 [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0		0		0
Fair Value, Inputs, Level 2 [Member] | Loans Held For Sale [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	3,861		3,861		1,502
Fair Value, Inputs, Level 2 [Member] | Mortgage Servicing Rights [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	1,571		1,571		1,708
Fair Value, Inputs, Level 2 [Member] | Loans Receivable [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	12,099	[1]	12,099	[1]	17,498	[1]
Fair Value, Inputs, Level 2 [Member] | Real estate, net [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	3,476	[2]	3,476	[2]	6,898	[2]
Fair Value, Inputs, Level 2 [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	21,007		21,007		27,606
Fair Value, Inputs, Level 3 [Member] | Loans Held For Sale [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0		0		0
Fair Value, Inputs, Level 3 [Member] | Mortgage Servicing Rights [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0		0		0
Fair Value, Inputs, Level 3 [Member] | Loans Receivable [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0	[1]	0	[1]	0	[1]
Fair Value, Inputs, Level 3 [Member] | Real estate, net [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0	[2]	0	[2]	0	[2]
Fair Value, Inputs, Level 3 [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	0		0		0
Loans Held For Sale [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	3,861		3,861		1,502
Total gains (losses)	62		64		21
Mortgage Servicing Rights [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	1,571		1,571		1,708
Total gains (losses)	0		0		0
Loans Receivable [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	12,099	[1]	12,099	[1]	17,498	[1]
Total gains (losses)	(211)	[1]	(344)	[1]	(1,728)	[1]
Real estate, net [Member]
Note 5 - Fair Value Measurements (Details) - Assets Measured at Fair Value on Nonrecurring Basis [Line Items]
Assets	3,476	[2]	3,476	[2]	6,898	[2]
Total gains (losses)	$ (114)	[2]	$ (214)	[2]	$ (429)	[2]

[1] Represents the carrying value and related specific reserves on loans for which adjustments are based on the appraised value of the collateral. The carrying value of loans fully charged-off is zero.

[2] Represents the fair value and related losses of foreclosed real estate and other collateral owned that were measured at fair value subsequent to their initial classification as foreclosed assets.