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Accrued expenses and other current liabilities (Tables)
3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following (in thousands):
March 31,December 31,
20222021
Accrued expenses$5,524 $7,326 
Indirect tax reserves17,411 18,392 
Indirect tax payables9,790 10,786 
Deferred rent, current— 803 
Other current liabilities2,972 2,833 
Accrued expenses and other current liabilities$35,697 $40,140 
Schedule of Changes to the Withholding Tax Reserve
Changes to the instructor withholding tax reserve are as follows (in thousands):

Three Months Ended March 31,
20222021
Balance, beginning of period$17,036 $22,166 
Amounts charged to (released from) expense(1,343)168 
Net payments and settlements— — 
Balance, end of period$15,693 $22,334