XML 39 R25.htm IDEA: XBRL DOCUMENT v3.20.4
Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts Valuation and Qualifying Accounts
The Company maintains an allowance for losses that is comprised of a bad debt allowance and, through December 31, 2017, a revenue reserve. The table below summarizes the activity in the Company’s allowance for losses for the years ended December 31 (in thousands).
 Balance at
Beginning
of Year		Additions
Charged to
Expense		Deductions
from the
Reserve		Reclassification to Accounts Payable and Accrued Liabilities (1)Balance
at End
of Year
2020$8,000 $16,000 $(14,000)$— $10,000 
2019$7,700 $14,000 $(13,700)$— $8,000 
2018$12,700 $12,500 $(11,300)$(6,200)$7,700 

(1) The allowance for losses at December 31, 2017 included $6.2 million that was attributable to the Company’s revenue reserve. As a result of the Company’s adoption of ASC 606 on January 1, 2018, the revenue reserve balance is now included in Accounts payable and accrued liabilities on the Consolidated Balance Sheets. Note 9 — Revenue and Related Matters provides additional information regarding the Company’s adoption of ASC 606.