Capital Stock Dividends (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Dividends Declared

The Board declared quarterly cash dividends per share on Common Stock to holders of record of Common Stock and Warrants as follows (in thousands, except per share data):

	2017				2016
	Per Share		Total Amount		Per Share		Total Amount
First quarter	$	0.25	$	21,742	$	0.25	$	23,215
Second quarter	0.25		21,816		0.25		22,959
Third quarter	0.25		21,834		0.25		22,510
Fourth quarter	0.25		21,837		0.25		21,612
Total quarterly cash dividends declared and paid	$	1.00	$	87,229	$	1.00	$	90,296