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Investment Securities
9 Months Ended
Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract]  
Investment Securities
11.Investment Securities
The Company’s investment securities were purchased and are held by WEX Bank primarily to meet the requirements of the Community Reinvestment Act. Changes in the fair value of the Company’s equity securities are recognized within net unrealized gain (loss) on financial instruments on the condensed consolidated statements of operations for the three and nine months ended September 30, 2021 and 2020. The Company’s debt securities, and any changes in their fair values, are not material individually or in the aggregate as of September 30, 2021 and December 31, 2020. Purchases, sales and maturities associated with investment securities are treated as investing activities within the condensed consolidated statements of cash flows. Refer to Note 12, Fair Value, for further information.