Income Taxes Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Taxes [Abstract]

Schedule of Dividends Paid, Per Share [Table Text Block]

Dividend payments to common stockholders for the last three years are characterized for tax purposes as follows on a per share basis:

(Unaudited)	December 31, 2020		December 31, 2019		December 31, 2018
Ordinary income	$	3.50398	$	4.20000	$	3.33730
Capital gain	0.10999		—		—
Return of capital	0.79603		—		0.66270
Dividends paid per common share	$	4.41	$	4.20	$	4.00