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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II
SUPPLEMENTARY CONSOLIDATED FINANCIAL STATEMENT SCHEDULE
VALUATION AND QUALIFYING ACCOUNTS
(in thousands)
Balance at Beginning of Year
 
Additions Charged to Costs and Expenses
 
Deductions(1)
 
Balance at
End of Year
Allowance for Doubtful Accounts
 
 
 
 
 
 
 
Year Ended December 31, 2019
$
188

 
$
967

 
$
(391
)
 
$
764

Year Ended December 31, 2018
160

 
149

 
(121
)
 
188

Year Ended December 31, 2017
200

 
327

 
(367
)
 
160

_______________
(1)    Consists of write-offs of uncollectible accounts, net of recoveries.