Commitments and contingencies (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Company's Significant Commitments

The following table presents the Company’s significant commitments. Certain of these commitments are not included in the Company’s consolidated balance sheet.

	March 31, 2015		December 31, 2014
	(in thousands)
Commitments to extend credit
Home equity lines of credit	$	6,219,783		6,194,516
Commercial real estate loans to be sold		346,664		212,257
Other commercial real estate and construction		5,161,878		4,834,699
Residential real estate loans to be sold		661,132		432,352
Other residential real estate		581,384		524,399
Commercial and other		11,493,613		11,080,856
Standby letters of credit		3,648,095		3,706,888
Commercial letters of credit		42,291		46,965
Financial guarantees and indemnification contracts		2,535,609		2,490,050
Commitments to sell real estate loans		1,322,998		1,237,294