5. Investment Securities: Schedule of Unrealized Loss on Investments (Details) $ in Thousands	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Number of Securities	11	17
Less than Twelve Months, Fair Value	$ 1,901	$ 4,294
Less than 12 Months, Unrealized Losses	(36)	(120)
Twelve Months or Longer, Fair Value	1,185	0
12 Months or Longer, Unrealized Losses	(29)	0
Total Fair Value	3,086	4,294
Total Unrealized Losses	$ (65)	$ (120)
US Government Agency Securities
Number of Securities	7	7
Less than Twelve Months, Fair Value	$ 1,330	$ 2,268
Less than 12 Months, Unrealized Losses	(31)	(82)
Twelve Months or Longer, Fair Value	968	0
12 Months or Longer, Unrealized Losses	(20)	0
Total Fair Value	2,298	2,268
Total Unrealized Losses	$ (51)	$ (82)
Government Sponsored Enterprises residential mortgage-backed securities
Number of Securities	4	10
Less than Twelve Months, Fair Value	$ 571	$ 2,026
Less than 12 Months, Unrealized Losses	(5)	(38)
Twelve Months or Longer, Fair Value	217	0
12 Months or Longer, Unrealized Losses	(9)	0
Total Fair Value	788	2,026
Total Unrealized Losses	$ (14)	$ (38)

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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