Derivative Instruments and Hedging Activities - Other Comprehensive Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Mar. 31, 2019 |
Mar. 31, 2018 |
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| Accumulated Other Comprehensive Income [Roll Forward] | ||||
| Beginning balance | $ (5,615) | $ 2,346 | ||
| Beginning balance | $ 6,186 | $ 8,126 | ||
| Amount reclassified to earnings | (946) | (3,719) | ||
| Amount reclassified to earnings | (694) | (3,775) | ||
| Net change in unrealized gains or losses | (1,379) | (6,567) | ||
| Net change in unrealized gains or losses | (581) | 560 | ||
| Ending balance | $ (7,940) | $ (7,940) | ||
| Ending balance | $ 4,911 | $ 4,911 | ||
| X | ||||||||||
- Definition AOCI, Cash Flow Hedge, Cumulative Gain (Loss), Before Tax No definition available.
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| X | ||||||||||
- Definition Accumulated Other Comprehensive Income [Roll Forward] No definition available.
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| X | ||||||||||
- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, including portion attributable to noncontrolling interest. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). No definition available.
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| X | ||||||||||
- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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