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Accumulated Other Comprehensive Loss | 3 Months Ended
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Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss). |
Accumulated Other Comprehensive Income (Loss) | 10. Accumulated Other Comprehensive Loss Components of comprehensive income (loss) are net income (loss) and all changes in equity during a period except those resulting from transactions with owners. Our accumulated other comprehensive income (loss) consists of changes in the fair value of our interest rate swap derivative instruments, net of tax, which are designated as cash flow hedges. The following table presents the changes in accumulated other comprehensive loss of our derivative cash flow hedges, net of tax: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
(in thousands) |  | 2021 |  | 2020
Beginning accumulated other comprehensive loss | ​ | $ | (5,006) | ​ | $ | (1,387)
Loss recognized in other comprehensive income (loss), net of tax benefit of $2 and $1,590, respectively | ​ |  | (8) | ​ |  | (5,983)
Loss reclassified from accumulated other comprehensive loss to interest expense, net of tax benefit of $267 and $51, respectively | ​ |  | 1,004 | ​ |  | 197
Other comprehensive income (loss) | ​ |  | 996 | ​ |  | (5,786)
Ending accumulated other comprehensive loss | ​ | $ | (4,010) | ​ | $ | (7,173)
​ See Note 17 (“Derivatives”) for further details on our interest rate swap derivative instruments.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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