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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II - Valuation and Qualifying Accounts
$ in thousandsBalance at Beginning of YearAdditionsDeductions/ AdjustmentsBalance at
End of Year
Year ended December 31, 2022
Allowance for doubtful accounts (1)
53,533 13,869 (19,782)47,620 
Valuation allowance for deferred tax assets (2)
58,312 31,595 — 89,907 
Year ended December 31, 2021
Allowance for doubtful accounts (1)
69,693 16,369 (32,529)53,533 
Valuation allowance for deferred tax assets (2)
22,581 35,731 — 58,312 
Year ended December 31, 2020
Allowance for doubtful accounts (1)
80,350 16,231 (26,888)69,693 
Valuation allowance for deferred tax assets (3)
23,562 — (981)22,581 
(1) The additions to the allowance for doubtful accounts represent the provision for doubtful accounts that is recorded based upon the Company's evaluation of the collectability of accounts receivable. Deductions/Adjustments are primarily related to actual write-offs of receivables and other adjustments.
(2) The increase in the valuation allowance for deferred tax assets is primarily related to an increase in net operating loss carryforwards not expected to be realized prior to expiration. Refer to Note 16 - Income Taxes in the consolidated financial statements included in Part II, Item 8, of this Form 10-K for further details.
(3) The decrease in the valuation allowance for deferred tax assets is primarily related to removal of valuation allowance on net loss carryforwards due to current period taxable income.