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Fair Value of Financial Instruments - Narrative (Details)	1 Months Ended		12 Months Ended
	Mar. 31, 2020	Nov. 30, 2018 USD ($) $ / £	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Nov. 30, 2018 GBP (£) $ / £
Derivative [Line Items]
Term of contract (in years)			10 years
Interest Rate Swap | Other Nonoperating Income (Expense)
Derivative [Line Items]
Derivative instruments not designated as hedging instruments, gain (loss), net			$ 347,000
Interest Rate Swap | Interest Expense
Derivative [Line Items]
Derivative payments			696,000
Interest Rate Swap | Not Designated as Hedging Instrument
Derivative [Line Items]
Notional amount				$ 200,000,000
Term of contract (in years)	10 years
Derivative fair value			$ 347,000
Currency Swap | Not Designated as Hedging Instrument
Derivative [Line Items]
Notional amount | £					£ 65,000,000
Derivative foreign currency option strike price (USD per GBP) | $ / £		1.375			1.375
Derivative purchase premium		$ 645,000
Derivative fair value		$ 0

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Derivative Instruments Not Designated as Hedging Instruments, Payments

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109998890-113959

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Nominal or face amount used to calculate payments on the derivative liability.

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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