11. Fair Value Measurements: Schedule of Inputs in Estimation of Fair Value of Level 3 Financial Instruments (Details) - USD ($)			12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Loans held at fair value	$ 2,458,930	$ 628,750	$ 2,458,930	$ 628,750
Change in fair value of financial instruments	(2,000)	(7,000)
Loans Held At Fair Value
Balance	2,459,000	629,000	$ 2,459,000	$ 629,000
Origination of loans	2,017,000	209,000
Principal repayments	(185,000)	(20,000)
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Fair Value Measurements, Valuation Techniques			Discounted cash flow
Average projected default rate			7.76%	9.02%
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Minimum
Constant prepayment rate			7.10%	7.58%
Weighted average life			3 years 4 months 24 days	3 years 9 months
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Maximum
Constant prepayment rate			9.88%	8.52%
Weighted average life			8 years 9 months 11 days	4 years 3 months
Thousand
Loans held at fair value	2,459,000	629,000	$ 2,459,000	$ 629,000
Thousand | Loans Held At Fair Value
Balance		629,000		629,000	$ 447,000
Thousand | Fair Value, Inputs, Level 3
Loans held at fair value	$ 2,459,000	$ 629,000	$ 2,459,000	$ 629,000