Commitments and contingencies (Tables)

9 Months Ended

Sep. 30, 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.

	September 30,		December 31,
	2015		2014
	(in thousands)
Commitments to extend credit
Home equity lines of credit	$	5,535,704		6,194,516
Commercial real estate loans to be sold		89,374		212,257
Other commercial real estate and construction		5,356,256		4,834,699
Residential real estate loans to be sold		587,206		432,352
Other residential real estate		674,338		524,399
Commercial and other		12,144,962		11,080,856
Standby letters of credit		3,441,337		3,706,888
Commercial letters of credit		44,082		46,965
Financial guarantees and indemnification contracts		2,922,743		2,490,050
Commitments to sell real estate loans		977,822		1,237,294