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Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis (USD $) | Sep. 30, 2014 | Dec. 31, 2013
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Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | $ 454,009,000 | [1] | $ 131,178,000 | [1]
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 204,477,000 |  | 98,477,000 |
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 204,477,000 |  | 98,477,000 |
US Government Agencies Debt Securities [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 204,477,000 |  | 98,477,000 |
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 100,258,000 |  | 13,558,000 |
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Collateralized Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 100,258,000 |  | 13,558,000 |
Collateralized Mortgage Backed Securities [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 100,258,000 |  | 13,558,000 |
Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 125,889,000 |  | 16,872,000 |
Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 10,361,000 |  | 0 |
Municipal General Obligation Bonds [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 136,250,000 |  | 16,872,000 |
Municipal General Obligation Bonds [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 136,250,000 |  | 16,872,000 |
Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 11,117,000 |  | 916,000 |
Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Municipal Revenue Bonds [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 11,117,000 |  | 916,000 |
Municipal Revenue Bonds [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 11,117,000 |  | 916,000 |
Other Debt Obligations [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Other Debt Obligations [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 1,907,000 |  | 1,355,000 |
Other Debt Obligations [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 0 |  | 0 |
Other Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 1,907,000 |  | 1,355,000 |
Other Debt Obligations [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Available for sale securities | 1,907,000 |  |  |
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Derivative | 0 |  | 0 |
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Assets and Liabilities measured at fair value on recurring basis | 0 |  | 0 |
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Derivative | (135,000) |  | (264,000) |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Assets and Liabilities measured at fair value on recurring basis | 443,513,000 |  | 130,914,000 |
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Derivative | 0 |  | 0 |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Assets and Liabilities measured at fair value on recurring basis | 10,361,000 |  | 0 |
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Derivative | (135,000) |  | (264,000) |
Fair Value, Measurements, Recurring [Member] |  |  |  |
Note 12 - Fair Values (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |  |
Assets and Liabilities measured at fair value on recurring basis | $ 453,874,000 |  | $ 130,914,000 |
[1] | See Note 12 for a description of the fair value hierarchy as well as a disclosure of levels for classes of financial assets and liabilities.

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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