3. Investments: Schedule of Continuous Unrealized Loss Positions on Held-To-Maturity Investments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Number of Securities	19	36
Less than Twelve Months, Fair Value	$ 246	$ 8,353
Less than 12 Months, Unrealized Losses	(4)	(498)
Twelve Months or Longer, Fair Value	4,730	225
12 Months or Longer, Unrealized Losses	(77)	(25)
Total Fair Value	4,976	8,578
Total Unrealized Losses	$ (81)	$ (523)
US Government Agencies Debt Securities
Number of Securities	13	15
Less than Twelve Months, Fair Value	$ 246	$ 3,576
Less than 12 Months, Unrealized Losses	(4)	(270)
Twelve Months or Longer, Fair Value	3,290	225
12 Months or Longer, Unrealized Losses	(57)	(25)
Total Fair Value	3,536	3,801
Total Unrealized Losses	$ (61)	$ (295)
Collateralized Mortgage Backed Securities
Number of Securities	6	21
Less than Twelve Months, Fair Value	$ 0	$ 4,777
Less than 12 Months, Unrealized Losses	0	(228)
Twelve Months or Longer, Fair Value	1,440	0
12 Months or Longer, Unrealized Losses	(20)	0
Total Fair Value	1,440	4,777
Total Unrealized Losses	$ (20)	$ (228)