Commitments and Letters of Credit (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Notional Amount of Commitments and Letter of Credit Instruments

The following table identifies the notional amount of those instruments at December 31:

	2019		2018
	(dollars in thousands)
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit	$	1,981,275	$	1,883,914
Financial standby letters of credit	16,630		18,298
Performance standby letters of credit	23,293		22,027
Commercial letters of credit	783		887