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SCHEDULE II - VALUATION ACCOUNTS
12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION ACCOUNTS
WILLIS LEASE FINANCE CORPORATION AND SUBSIDIARIES
SCHEDULE II — VALUATION ACCOUNTS
(In thousands)
 Balance at
Beginning
of Period
Additions
Charged
(Credited)
to Expense
Net
(Deductions)
Recoveries
Balance at
End of Period
Year Ended December 31, 2020
Accounts receivable, allowance for doubtful accounts$1,730 $$(363)$1,372 
Deferred tax valuation allowance$153 $315 $— $468 
Year Ended December 31, 2021
Accounts receivable, allowance for doubtful accounts$1,372 $(164)$(54)$1,154 
Deferred tax valuation allowance$468 $50 $— $518 
Deductions in allowance for doubtful accounts represent uncollectible accounts written off, net of recoveries.