Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Notional Amount of Outstanding Commitments

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

	March 31, 2017		December 31, 2016
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,687,588	$	1,733,820
Financial standby letters of credit	16,894		18,108
Performance standby letters of credit	27,169		26,630
Commercial letters of credit	1,142		1,301