Compensation and Employee Benefit Plans [Text Block]: Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Share-based Payment Arrangement, Expense, Tax Benefit	$ 720	$ 358
Share-based Payment Arrangement, Expense, after Tax	1,954	833
Selling, General and Administrative Expenses
Share-based Payment Arrangement, Expense	2,674	1,191
Share-based Payment Arrangement, Option | Selling, General and Administrative Expenses
Share-based Payment Arrangement, Expense	1,940	754
Restricted Stock Units (RSUs) | Selling, General and Administrative Expenses
Share-based Payment Arrangement, Expense	292	184
Stock Appreciation Rights (SARs) | Selling, General and Administrative Expenses
Share-based Payment Arrangement, Expense	$ 442	$ 253