5. Investment Securities: Schedule of Unrealized Loss on Investments (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	26	36
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 0	$ 8,353
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	0	(498)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	6,870	225
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(161)	(25)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	6,870	8,578
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ (161)	$ (523)
US Government Agencies Debt Securities
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	13	15
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 0	$ 3,576
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	0	(270)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,499	225
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(98)	(25)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	3,499	3,801
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ (98)	$ (295)
Collateralized Mortgage Backed Securities
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	13	21
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 0	$ 4,777
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	0	(228)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,371	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(63)	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	3,371	4,777
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ (63)	$ (228)