5. Investment Securities: Schedule of Unrealized Loss on Investments (Details) $ in Thousands	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Number of Securities	15	17
Less than Twelve Months, Fair Value	$ 3,787	$ 4,294
Less than 12 Months, Unrealized Losses	(105)	(120)
Twelve Months or Longer, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	3,787	4,294
Total Unrealized Losses	$ (105)	$ (120)
US Government Agency Securities
Number of Securities	7	7
Less than Twelve Months, Fair Value	$ 2,280	$ 2,268
Less than 12 Months, Unrealized Losses	(69)	(82)
Twelve Months or Longer, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	2,280	2,268
Total Unrealized Losses	$ (69)	$ (82)
Government Sponsored Enterprises residential mortgage-backed securities
Number of Securities	8	10
Less than Twelve Months, Fair Value	$ 1,507	$ 2,026
Less than 12 Months, Unrealized Losses	(36)	(38)
Twelve Months or Longer, Fair Value	0	0
12 Months or Longer, Unrealized Losses	0	0
Total Fair Value	1,507	2,026
Total Unrealized Losses	$ (36)	$ (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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