Commitments and contingencies (Tables)

6 Months Ended

Jun. 30, 2016

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.

	June 30, 2016		December 31, 2015
	(in thousands)
Commitments to extend credit
Home equity lines of credit	$	5,569,936		5,631,680
Commercial real estate loans to be sold		112,251		57,597
Other commercial real estate		6,325,178		5,949,933
Residential real estate loans to be sold		638,037		488,621
Other residential real estate		286,848		212,619
Commercial and other		11,898,046		11,802,850
Standby letters of credit		3,343,858		3,330,013
Commercial letters of credit		46,748		55,559
Financial guarantees and indemnification contracts		2,926,230		2,794,322
Commitments to sell real estate loans		1,155,969		782,885