Derivative Financial Instruments - (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2020	Mar. 31, 2020
Interest rate swaps
Derivative Financial Instruments
Notional value of outstanding contracts	$ 174,900
Outstanding term of derivative instruments	3 years
Unrealized loss on derivative	$ 11,153	$ 11,128
Interest rate swap 2018
Derivative Financial Instruments
Fixed interest rate	2.85%
Percentage of coverage target retain	50.00%
Interest rate swap 2018 \| London Interbank Offered Rate L I B O R
Derivative Financial Instruments
Percentage of coverage on debt	50.00%
2016 interest rate swaps \| 1-month LIBOR
Derivative Financial Instruments
Blended weighted average rate	1.025%
Designated As Hedging Instrument \| Foreign Exchange Contract
Derivative Financial Instruments
Notional value of outstanding contracts	$ 112,922	$ 128,728
Unrealized net losses expected to be reclassified from AOCI to earnings during the next 12 months	$ (1,456)
Designated As Hedging Instrument \| Foreign Exchange Contract \| Maximum
Derivative Financial Instruments
Outstanding term of derivative instruments	15 months

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

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- Definition

Average fixed interest rate related to the group of interest rate derivatives.

+ References

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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- Definition

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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- Definition

The percentage of coverage on debt.

+ References

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- Definition

The percentage of coverage target retain.

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