Pledged assets (Tables)

6 Months Ended

Jun. 30, 2015

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

(In thousands)	June 30,2015		December 31,2014
Investment securities available-for-sale, at fair value	$	2,286,368	$	1,700,820
Investment securities held-to-maturity, at amortized cost		58,910		60,515
Loans held-in-portfolio covered under loss sharing agreements with the FDIC		411,597		480,441
Loans held-in-portfolio not covered under loss sharing agreements with the FDIC		8,488,262		8,820,204
Total pledged assets	$	11,245,137	$	11,061,980