Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Notional Amount of Outstanding Commitments

The following table identifies the notional amount of those instruments at:

	September 30, 2017		December 31, 2016
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,776,677	$	1,733,820
Financial standby letters of credit	17,979		18,108
Performance standby letters of credit	25,704		26,630
Commercial letters of credit	837		1,301