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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of Estimated Useful Lives of Assets [Table Text Block] |
Type |  | Estimated Useful Life |
Buildings |  | 15 to 45 years
Building improvements |  | 5 to 20 years
Furniture, fixtures, and equipment |  | 3 to 25 years
Leasehold improvements |  | Shorter of useful lives or the terms of the leases

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- Definition Tabular disclosure of estimated useful lives of assets. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration