Basis of Presentation (Details)	3 Months Ended
Mar. 31, 2018
Subsidiary or Equity Method Investee [Line Items]
Ownership in subsidiary bank	100.00%
Related Party Disclosure [Line Items]
Ownership or control of outstanding common stock directly or indirectly	64.72%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration