9. Leases: Schedule of Future Minimum Rental Payments for Operating Leases (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Operating Leases, Future Minimum Payments Due, Current	$ 439
Operating Leases, Future Minimum Payments, Due in Two Years	376
Operating Leases, Future Minimum Payments, Due in Three Years	352
Operating Leases, Future Minimum Payments, Due in Four Years	335
Operating Leases, Future Minimum Payments, Due in Five Years	285
Operating Leases, Future Minimum Payments, Due Thereafter	763
Operating Leases, Future Minimum Payments Due	$ 2,550