Commitments, Guarantees, and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments Disclosure

Contractual or Notional Amounts of Financial Instruments

(Dollar amounts in thousands)

	As of
	September 30, 2017		December 31, 2016
Commitments to extend credit:
Commercial, industrial, and agricultural	$	1,739,259	$	1,522,152
Commercial real estate	322,705		397,423
Home equity	512,560		426,384
Other commitments (1)	246,609		214,943
Total commitments to extend credit	$	2,821,133	$	2,560,902
Letters of credit	$	132,990	$	100,430

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