Commitments and contingencies (Tables)

3 Months Ended

Mar. 31, 2013

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, 2013		December 31, 2012
	(in thousands)
Commitments to extend credit
Home equity lines of credit	$	6,302,801		6,282,615
Commercial real estate loans to be sold		105,976		139,929
Other commercial real estate and construction		4,017,585		3,819,342
Residential real estate loans to be sold		1,266,065		1,550,441
Other residential real estate		453,051		445,268
Commercial and other		9,782,222		10,070,711
Standby letters of credit		3,974,118		4,025,329
Commercial letters of credit		43,388		53,201
Financial guarantees and indemnification contracts		2,230,375		2,120,361
Commitments to sell real estate loans		2,136,984		2,625,408