Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Outstanding Commitments to Extend Credit and Letters of Credit

The outstanding amounts of commitments to extend credit and letters of credit were as follows:

	June 30, 2019		December 31, 2018
	(in thousands)
Commitments to extend credit	$	6,688,574	$	6,306,583
Standby letters of credit	300,262		309,352
Commercial letters of credit	47,368		48,682