Note 48 - Minimum Cash and Minimum Capital - Minimum Capital Requirement For Credit Risk (Details)	12 Months Ended
Dec. 31, 2018
Minimum Capital Abstract
Item of Minimum Capital Requeriment For Credit Risk	8%

The amount of minimum capital requirement for credit risk, percent of the sum of credit-risk-weighted asset transactions without delivery against payment.

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration