Note 15 - Selected Financial Information of Registrant (Tables)

9 Months Ended

Sep. 30, 2014

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Selected Financial Information Of Registrant [Table Text Block]

(In thousands)	September 30, 2014		December 31, 2013
Investment in subsidiaries, at equity in net assets	$	2,107,572	$	1,419,360
Total assets	3,102,058		2,112,495
Long-term debt	1,201,069		930,072
Total liabilities	1,367,657		1,172,850
Total stockholders’ equity	1,734,401		939,645
Total liabilities and stockholders’ equity	3,102,058		2,112,495