Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Loan Commitments and Letters of Credit

(in thousands)	March 31, 2020		December 31, 2019
Letters of credit*	$	182,629	$	202,614
Commitments to fund commercial and industrial loans	6,994,969		7,018,152
Commitments to fund commercial real estate, construction, and land development loans	2,925,791		3,032,252
Commitments under home equity lines of credit	1,508,176		1,501,452
Unused credit card lines	940,016		877,929
Other loan commitments	469,958		485,371
Total letters of credit and unfunded lending commitments	$	13,021,539	$	13,117,770

Investments in low income housing, solar energy tax credit, and other CRA partnerships:
Carrying amount included in other assets	$	166,460	$	146,612
Amount of future funding commitments included in carrying amount	93,749		78,266
Short-term construction loans and letter of credit commitments	792		2,124
Funded portion of short-term loans and letters of credit	4,516		3,196

* Represent the contractual amount net of risk participations purchased of approximately $32 million and $33 million at March 31, 2020 and December 31, 2019, respectively.