Equity and Dividends (Tables)

6 Months Ended

Jun. 30, 2016

Equity and Dividends [Abstract]

Schedule of Quarterly Dividends Declared and Paid

	Declaration date	Dividend per share		Record date		Total dividends	Payment date
Six months ended June 30, 2016:
Fourth quarter 2015	January 15, 2016	$	0.1600	February 12, 2016	$	17,154	March 4, 2016
First quarter 2016	May 9, 2016		0.1600	May 24, 2016		17,022	June 14, 2016
Six months ended June 30, 2015:
Fourth quarter 2014	January 12, 2015	$	0.1400	February 13, 2015	$	15,089	March 6, 2015
First quarter 2015	May 7, 2015		0.1400	May 29, 2015		14,955	June 19, 2015