Income Tax Disclosure [Text Block]: Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Details
Current Federal Tax Expense (Benefit)	$ (4,077)	$ 4,637	$ 14,278
Current State and Local Tax Expense (Benefit)	29	473	1,012
Current Federal Tax Expense (Benefit)	(4,048)	5,110	15,290
Deferred Federal Income Tax Expense (Benefit)	(9,780)	4,390	673
Deferred State and Local Income Tax Expense (Benefit)	34	55	(59)
Deferred Income Tax Expense (Benefit)	(9,746)	4,445	614
Income taxes (benefits)	$ (13,794)	$ 9,555	$ 15,904