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Note 3 - Loans and Allowance for Loan Losses (Details) - Activity in Allowance for Loan Losses and the Recorded Investments in Loans (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Allowance for loan losses: |  |  |
Beginning balance | $ 22,821,000 | $ 28,677,000 |
Ending balance | 20,954,000 | 26,035,000 |
Ending balance: individually evaluated for impairment | 10,479,000 | 14,893,000 |
Ending balance: collectively evaluated for impairment | 10,475,000 | 11,142,000 |
Provision for loan losses | (1,900,000) | (1,500,000) |
Charge-offs | (588,000) | (2,415,000) |
Recoveries | 621,000 | 1,273,000 |
Total loans: |  |  |
Ending balance | 1,066,796,000 | 1,022,956,000 | 1,053,243,000
Ending balance: individually evaluated for impairment | 33,395,000 | 51,700,000 |
Ending balance: collectively evaluated for impairment | 1,033,401,000 | 971,256,000 |
Commercial Loans [Member] |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 20,455,000 | 26,043,000 |
Ending balance | 19,001,000 | 23,717,000 |
Ending balance: individually evaluated for impairment | 9,508,000 | 14,616,000 |
Ending balance: collectively evaluated for impairment | 9,493,000 | 9,101,000 |
Provision for loan losses | (1,454,000) | (1,164,000) |
Charge-offs | (586,000) | (2,412,000) |
Recoveries | 586,000 | 1,250,000 |
Total loans: |  |  |
Ending balance | 1,004,218,000 | 948,964,000 |
Ending balance: individually evaluated for impairment | 29,883,000 | 49,636,000 |
Ending balance: collectively evaluated for impairment | 974,335,000 | 899,328,000 |
Retail Loans [Member] |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 2,358,000 | 2,645,000 |
Ending balance | 1,957,000 | 2,302,000 |
Ending balance: individually evaluated for impairment | 971,000 | 277,000 |
Ending balance: collectively evaluated for impairment | 986,000 | 2,025,000 |
Provision for loan losses | (434,000) | (363,000) |
Charge-offs | (2,000) | (3,000) |
Recoveries | 35,000 | 23,000 |
Total loans: |  |  |
Ending balance | 62,578,000 | 73,992,000 |
Ending balance: individually evaluated for impairment | 3,512,000 | 2,064,000 |
Ending balance: collectively evaluated for impairment | 59,066,000 | 71,928,000 |
Unallocated Loans [Member] |  |  |
Allowance for loan losses: |  |  |
Beginning balance | 8,000 | (11,000) |
Ending balance | (4,000) | 16,000 |
Ending balance: individually evaluated for impairment | 0 | 0 |
Ending balance: collectively evaluated for impairment | (4,000) | 16,000 |
Provision for loan losses | (12,000) | 27,000 |
Charge-offs | 0 | 0 |
Recoveries | $ 0 | $ 0 |

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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