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Regulations and Supervision (Details)	12 Months Ended
	Dec. 31, 2020 subsidiaryBank	Dec. 31, 2020 bankingOffice	Dec. 31, 2019 bankingOffice
Equity [Abstract]
Number of subsidiary banks (banking office)	4	4	4

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- Definition

Nature of Operations, Number of Subsidiary Banks

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- References

No definition available.

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