Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Commitments and Contingent Liabilities

(In thousands)	March 31, 2020		December 31, 2019
Commitments to extend credit	$	3,985,508	$	4,667,360
Commitments to grant loans		44,712		292,199
Standby letters of credit		216,267		213,548
Performance letters of credit		23,565		27,985
Commercial letters of credit		20,126		15,587