Commitments, Guarantees, and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Contractual or Notional Amounts of Financial Instruments

Contractual or Notional Amounts of Financial Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2020		December 31, 2019
Commitments to extend credit:
Commercial, industrial, and agricultural	$	2,276,196	$	1,852,040
Commercial real estate	324,659		296,053
Home equity	578,920		576,956
Other commitments(1)	251,716		251,093
Total commitments to extend credit	$	3,431,491	$	2,976,142
Letters of credit	$	100,827	$	103,684

⁽¹⁾Other commitments includes installment and overdraft protection program commitments.