Borrowings (Australian NAB Corporate Term Loan (AU)) (Narrative) (Details)	9 Months Ended
Sep. 30, 2023 AUD ($)
Australian NAB Corporate Loan Facility Tier 3 [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 100,500,000
Spread on variable interest rate	1.75%
Australian NAB Corporate Loan Facility Tier 3 [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 60,000,000.0
Australian NAB Corporate Loan Facility Tier 3 [Member] \| Core Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	40,500,000
NAB Australian Corporate Term Loan And Revolver Tier 1, 2, 3 [Member] \| Core Facility [Member]
Debt Instrument [Line Items]
Principal payment	500,000
Australian NAB Bank Guarantee Facility Tier 3 [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 5,000,000.0
Spread on variable interest rate	1.90%
Maturity date	Jul. 31, 2025

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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