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SUPPLEMENTAL BALANCE SHEET INFORMATION
 3 Months Ended
Mar. 31, 2021
Balance Sheet Related Disclosures [Abstract]  
SUPPLEMENTAL BALANCE SHEET INFORMATION SUPPLEMENTAL BALANCE SHEET INFORMATION
Cash, cash equivalents and restricted cash

A reconciliation of cash, cash equivalents and restricted cash in the consolidated statements of cash flows as of March 31, 2021 and December 31, 2020 to the amounts in the consolidated balance sheets is as follows:

March 31, 2021December 31, 2020
(in thousands)
Cash and cash equivalents$2,082,414 $1,945,868 
Restricted cash included in prepaid expenses and other current assets119,660 143,903 
Cash, cash equivalents and restricted cash shown in the statement of cash flows$2,202,074 $2,089,771 

Accounts payable and accrued liabilities

At March 31, 2021 and December 31, 2020, accounts payable and accrued liabilities in the consolidated balance sheet included obligations totaling $43.5 million and $48.4 million, respectively, for employee termination benefits resulting from merger-related integration activities. During the three months ended March 31, 2021, we recognized charges for employee termination benefits of $25.2 million, which included $0.5 million of share-based compensation expense. During the three months ended March 31, 2020, we recognized charges for employee termination benefits of $17.6 million, which included $2.6 million of share-based compensation expense. As of March 31, 2021, the cumulative amount of recognized charges for employee termination benefits resulting from merger-related integration activities was $165.6 million, which included $24.5 million of share-based compensation expense. These charges are recorded within selling, general and administrative expenses in our consolidated statements of income and included within Corporate expenses for segment reporting purposes. New obligations may arise and related expenses may be incurred as merger-related integration activities continue in 2021.