Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

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:

	2020		2019
	(in thousands)
Commercial and industrial	$	5,245,041	$	3,997,401
Real estate - commercial mortgage and real estate - construction	1,787,963		1,168,624
Real estate - home equity	1,618,051		1,523,494
Total commitments to extend credit	$	8,651,055	$	6,689,519
Standby letters of credit	$	298,750	$	303,020
Commercial letters of credit	56,229		50,432
Total letters of credit	$	354,979	$	353,452