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Restrictions On Cash	12 Months Ended
	Dec. 31, 2017
Restrictions On Cash [Abstract]
Restrictions On Cash	Note 3 - Restrictions on cash To comply with Federal Reserve regulations, the Bank is required to maintain certain average cash reserve balances. The daily average cash reserve requirements were approximately $6,733 and $5,562 for the weeks including December 31, 2017 and 2016, respectively.

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