Capital Stock (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Dividends Declared

Quarterly Cash Dividends—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):

	2018				2017
	Per Share		Total Amount		Per Share		Total Amount
First quarter	$	0.25	$	21,922	$	0.25	$	21,742
Second quarter	0.25		21,925		0.25		21,816
Total quarterly cash dividends declared and paid	$	0.50	$	43,847	$	0.50	$	43,558