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Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts receivable allowance for doubtful accounts | $ 14,179 | $ 15,142
Cash and cash equivalents | $ 596,584 | $ 470,783
Common Class A [Member] |  |
Common Stock, Shares, Issued | 25,156,984 | 25,133,530
Common Stock, Shares, Outstanding | 24,633,765 | 24,853,986
Common Class B [Member] |  |
Common Stock, Shares, Issued | 5,063,720 | 5,078,452
Common Stock, Shares, Outstanding | 5,063,720 | 5,078,452

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