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Accumulated Other Comprehensive Income
3 Months Ended
Mar. 31, 2021
Stockholders' Equity Note [Abstract]  
Accumulated Other Comprehensive Income
12. Accumulated Other Comprehensive Income

The following tables summarize changes in accumulated other comprehensive income (AOCI) by component, all of which are presented net of tax:
thousands
Balance as of December 31, 2020
$(38,590)
Other comprehensive income (loss) before reclassifications3,383 
(Gain) loss reclassified from accumulated other comprehensive loss to net income2,973 
Share of investee’s other comprehensive income, net of tax of $346
1,217 
Net current-period other comprehensive loss7,573 
Balance as of March 31, 2021
$(31,017)
Balance as of December 31, 2019
$(29,372)
Other comprehensive income (loss) before reclassifications(32,051)
(Gain) loss reclassified from accumulated other comprehensive loss to net income1,150 
Net current-period other comprehensive loss(30,901)
Balance as of March 31, 2020
$(60,273)

The following table summarizes the amounts reclassified out of AOCI:
Accumulated Other Comprehensive 
Income (Loss) Components
Amounts reclassified from Accumulated Other Comprehensive Income (Loss) 
Three Months Ended March 31,Affected line items in the
Statements of Operations
thousands20212020
(Gains) losses on cash flow hedges$3,801 $1,407 Interest expense
Income taxes on (gains) losses on cash flow hedges(828)(257)Provision for income taxes
Total reclassifications of (income) loss, net of tax for the period$2,973 $1,150