5. Investment Securities: Scheduled of Unrealized Loss on Investments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Held-to-maturity, Securities in Unrealized Loss Positions, Number of securities	34	36
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 7,998	$ 8,353
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(303)	(498)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	8,456	8,578
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	(343)	(523)
US Government Agencies Debt Securities
Held-to-maturity, Securities in Unrealized Loss Positions, Number of securities	15	15
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	3,673	3,576
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(174)	(270)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	225
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	0	(25)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	3,905	3,801
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	(192)	(295)
Collateralized Mortgage Backed Securities
Held-to-maturity, Securities in Unrealized Loss Positions, Number of securities	19	21
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	4,325	4,777
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(129)	(228)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	4,551	4,777
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ (152)	$ (228)