Commitments, Contingent Liabilities and Guarantees (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Summary of Financial Instruments with Off-Balance Sheet Risk

Financial instruments with off-balance sheet risk were as follows:

	At December 31,
(In thousands)	2020		2019
Commitments to extend credit:
Commercial	$	4,396,191	$	5,743,072
Consumer	2,126,327		2,305,096
Total commitments to extend credit	6,522,518		8,048,168
Standby letters of credit and guarantees on industrial revenue bonds	114,636		129,192
Total	$	6,637,154	$	8,177,360