Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Contractual Amounts for Unfunded Commitments and Letters of Credit

A summary of the contractual amounts for unfunded commitments and letters of credit are as follows: 

	June 30, 2019		December 31, 2018
	(in thousands)
Commitments to extend credit, including unsecured loan commitments of $900,291 at June 30, 2019 and $770,114 at December 31, 2018	$	8,528,133	$	7,556,741
Credit card commitments and financial guarantees	268,439		237,312
Letters of credit, including unsecured letters of credit of $16,225 at June 30, 2019 and $21,879 at December 31, 2018	285,266		390,161
Total	$	9,081,838	$	8,184,214