Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Outstanding Financial Instruments Contract Amounts Represent Credit Risk

The following table summarizes the outstanding amounts of credit-related financial instruments with off-balance sheet risk:

(In thousands)	At June 30, 2015		At December 31, 2014
Commitments to extend credit	$	4,883,222	$	4,376,733
Standby letter of credit	146,932		142,964
Commercial letter of credit	32,779		27,787
Total credit-related financial instruments with off-balance sheet risk	$	5,062,933	$	4,547,484

Reserve For Unfunded Credit Commitments

The following table provides a summary of activity in the reserve for unfunded credit commitments:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2015			2014		2015			2014
Balance, beginning of period	$	2,320		$	4,711	$	5,151		$	4,384
(Benefit) provision	(313		)	38		(3,144		)	365
Balance, end of period	$	2,007		$	4,749	$	2,007		$	4,749