Stockholders' Equity Note Disclosure [Text Block]: Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (4,598)
Other Comprehensive Income (Loss), Net of Tax	(3,362)	$ 3,181
Stockholders Equity, Reclassification Of Stranded Tax Effects In Accumulated Other Comprehensive Income		0
Accumulated other comprehensive income (loss)	(8,310)	(4,598)
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(4,598)	(6,964)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(3,974)	4,892
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(612)	1,711
Other Comprehensive Income (Loss), Net of Tax	(3,362)	3,181
Stockholders Equity, Reclassification Of Stranded Tax Effects In Accumulated Other Comprehensive Income	0	(815)
Accumulated other comprehensive income (loss)	(8,310)	(4,598)
Accumulated Net Unrealized Investment Gain (Loss) | Accounting Standards Update 2016-01
Cumulative Effect of New Accounting Principle in Period of Adoption	$ (350)	$ 0