Note 13 - Fair Value Measurements (Detail) - Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Commercial and Industrial [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired Loans	$ 364	$ 115
Commercial and Industrial [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Impaired loans:
Impaired Loans	364	115
Commercial Real Estate Investor Income Producing [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired Loans	3,419
Commercial Real Estate Investor Income Producing [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Impaired loans:
Impaired Loans	3,419
Residential Mortgage Loans [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired Loans	751	962
Residential Mortgage Loans [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Impaired loans:
Impaired Loans	751	962
Home Equity Lines of Credit [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired Loans	113	155
Home Equity Lines of Credit [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
Impaired loans:
Impaired Loans	113	155
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
OREO	3,880	25,390
Fair Value, Measurements, Nonrecurring [Member] \| Estimate of Fair Value, Fair Value Disclosure [Member]
OREO	3,880	25,390
Fair Value, Inputs, Level 2 [Member]
OREO	5,913	7,422
Impaired loans:
Impaired Loans	8,852	11,390
Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Impaired Loans	1,294,209	1,321,293
Estimate of Fair Value, Fair Value Disclosure [Member]
OREO	5,913	7,422
Impaired loans:
Impaired Loans	$ 1,303,061	$ 1,332,683

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.

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