Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Notional Amount of Outstanding Commitments

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

	June 30, 2017		December 31, 2016
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,787,811	$	1,733,820
Financial standby letters of credit	15,540		18,108
Performance standby letters of credit	25,760		26,630
Commercial letters of credit	871		1,301