FAIR VALUES: (Details 2) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Net Loans	$ 495,304	$ 462,557
Time deposits	267,283	247,819
Fair Value, Measurements, Recurring [Member]
Net Loans	497,359	467,707
Time deposits	266,990	247,258
FHLB advances	8,053	13,993
Fair Value, Inputs, Level 2 [Member]
Net Loans	484,866	453,858
Time deposits	266,990	247,258
FHLB advances	8,053	13,993
Fair Value, Inputs, Level 3 [Member]
Net Loans	12,493	13,849
Fair Value, Estimate Not Practicable, Carrying (Reported) Amount [Member]
Net Loans	495,304	462,557
Time deposits	267,283	247,819
FHLB advances	$ 7,858	$ 13,758

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant