Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2018

The following table details our cash and cash equivalents at December 31, 2018 and December 31, 2017:



(Dollars in thousands)	December 31, 2018		December 31, 2017
Cash and due from banks (1)	$	3,444,971	$	2,672,290
Securities purchased under agreements to resell (2)	123,611		247,876
Other short-term investment securities	2,957		2,909
Total cash and cash equivalents	$	3,571,539	$	2,923,075


(1)	At December 31, 2018 and 2017, $1.7 billion and $0.6 billion, respectively, of our cash and due from banks was deposited at the FRB and was earning interest at the Federal Funds target rate, and interest-earning deposits in other financial institutions were $1.2 billion and $1.1 billion, respectively.


(2)	At December 31, 2018 and 2017, securities purchased under agreements to resell were collateralized by U.S. Treasury securities and U.S. agency securities with aggregate fair values of $126 million and $253 million, respectively. None of these securities were sold or repledged as of December 31, 2018 and 2017.

Additional information regarding our securities purchased under agreements to resell for 2018 and 2017 are as follows:



	Year ended December 31,
(Dollars in thousands)	2018		2017
Average securities purchased under agreements to resell	$	132,938	$	94,094
Maximum amount outstanding at any month-end during the year	375,180		377,073