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Derivatives (Tables) | 3 Months Ended
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Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of effect of derivative instruments on consolidated financial position | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | March 31, 2021 |  | December 31, 2020
Accrued liabilities | ​ | $ | 4,771 | ​ | $ | 4,810
Other liabilities | ​ |  | 305 | ​ |  | 1,527
Total derivative liabilities | ​ | $ | 5,076 | ​ | $ | 6,337
Schedule of effect of derivative instruments on results of operations | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
(in thousands) |  | 2021 |  | 2020
Pre-tax loss recognized in other comprehensive income (loss) | ​ | $ | (10) | ​ | $ | (7,573)
Pre-tax loss reclassified from accumulated other comprehensive loss into interest expense | ​ |  | (1,271) | ​ |  | (248)
Total amount of interest expense in which the effects of cash flow hedges are recorded | ​ | ​ | 31,245 | ​ | ​ | 29,665

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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