Financial Instruments with Off-Balance-Sheet Risk (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Financial Instruments Outstanding Contract Amounts Represent Credit Risk

As of December 31, 2018 and 2017, the following off-balance sheet commitments, financial instruments and other arrangements were outstanding:

	December 31,
	2018		2017
(amounts in thousands)
Commitments to fund loans	$	345,608	$	333,874
Unfunded commitments to fund mortgage warehouse loans	1,537,900		1,567,139
Unfunded commitments under lines of credit and credit cards	867,131		485,345
Letters of credit	55,659		39,890
Other unused commitments	4,822		6,679