Note 21 - Regulatory Requirements and Restrictions (Details Textual)	Jan. 01, 2016	Jan. 01, 2019
Capital Conservation Buffer	0.625%
Tier One Capital Securities Phase Out Period	4 years
Capital Conservation Buffer Phase In Amount	0.625%
Scenario, Forecast [Member]
Capital Conservation Buffer		2.50%

An additional amount held in risk-based capital designed to ensure that banks build up capital buffers outside periods of stress which can be drawn down as losses are incurred. The requirement is based on simple capital conservation rules designed to avoid breaches of minimum capital requirements.

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant