7. Other Real Estate Owned: Schedule of Components Of Other Real Estate Owned (Details) - USD ($)	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Other real estate owned	$ 391,571		$ 626,071
Thousand
Other real estate owned	392,000	$ 402,000	626,000	$ 447,000	$ 447,000	$ 447,000
Thousand | Commercial Real Estate
Other real estate owned	317,000		317,000
Thousand | Residential Real Estate
Other real estate owned	$ 75,000		$ 309,000