Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Summary of Outstanding Commitments to Extend Credit and Letters of Credit

The following table presents the Corporation’s commitments to extend credit and letters of credit:

	2021		2020
	(in thousands)
Commercial and industrial	$	5,072,008	$	5,245,041
Real estate - commercial mortgage and real estate - construction	1,914,238		1,787,963
Real estate - home equity	1,744,922		1,618,051
Total commitments to extend credit	$	8,731,168	$	8,651,055
Standby letters of credit	$	298,275	$	308,168
Commercial letters of credit	54,196		56,229
Total letters of credit	$	352,471	$	364,397