Quarterly Results of Operations (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

Years Ended December 31,
(in thousands, except per share data)
2018	First		Second		Third		Fourth
Total Revenues	$	3,173,707	$	3,195,908	$	3,227,531	$	3,278,518
Total benefits and expenses	3,035,782		2,948,620		2,904,870		3,140,572
Income before income taxes	137,925		247,288		322,661		137,946
Net Income	100,230		204,374		301,199		110,039
Earnings Per Share:
Basic earnings per share	$	1.55	$	3.19	$	4.76	$	1.75
Diluted earnings per share	1.52		3.13		4.68		1.72
2017	First		Second		Third		Fourth
Total Revenues	$	3,008,740	$	3,129,276	$	3,145,310	$	3,232,443
Total benefits and expenses	2,800,896		2,789,961		2,805,148		2,976,949
Income before income taxes	207,844		339,315		340,162		255,494
Net Income	145,512		232,190		227,591		1,216,888
Earnings Per Share:
Basic earnings per share	$	2.26	$	3.60	$	3.53	$	18.89
Diluted earnings per share	2.22		3.54		3.47		18.49