Note 15 - Selected Financial Information of Registrant (Tables)

6 Months Ended

Jun. 30, 2014

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Selected Financial Information Of Registrant [Table Text Block]

(In thousands)	June 30, 2014		December 31, 2013
Investment in subsidiaries, at equity in net assets	$	1,928,280	$	1,419,360
Total assets	2,935,489		2,112,495
Long-term debt	1,192,397		930,072
Total liabilities	1,351,242		1,172,850
Total stockholders’ equity	1,584,247		939,645
Total liabilities and stockholders’ equity	2,935,489		2,112,495