7. Other Real Estate Owned: Schedule of Components Of Other Real Estate Owned (Details) - USD ($)	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Other real estate owned	$ 402,371		$ 626,071
Thousand
Other real estate owned	402,000	$ 569,000	626,000	$ 447,000	$ 447,000	$ 447,000
Thousand | Commercial Real Estate
Other real estate owned	317,000		294,000
Thousand | Residential Real Estate
Other real estate owned	$ 85,000		$ 332,000