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Interest Bearing Deposits In Banks Narrative Data (Details)
$ in Millions
Dec. 31, 2018
USD ($)
Rate
Cash and Cash Equivalents [Line Items]  
Interest bearing deposits in banks, interest rate, ranging from 1.25%
Interest bearing deposits in banks, interest rate, ranging to 3.55%
Interest bearing deposits in banks scheduled to mature in 2019 | $ $ 1.7