LOANS: (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Servicing Rights
Beginning of year	$ 1,549	$ 1,746	$ 1,863
Additions	477	480	531	[1]
Amortized to expense	(592)	(677)	(648)
End of year	$ 1,434	$ 1,549	$ 1,746

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