Percentage of voting equity interests acquired at the acquisition date in the business combination.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

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No definition available.

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Represents the minimum number of days for which lease rent and maintenance reserve payments are past due.

+ References

No definition available.

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The amount of lease rent receivables that are more than 30 days past due.

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The amount of maintenance receivables that are more than 30 days past due.

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Organization [Line Items]

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N/A

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Organization and Summary of Significant Accounting Policies - Organization and Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Mar. 31, 2020
Revenue Recognition
Lease rent receivables past due	$ 4.6
Maintenance reserve receivables past due	$ 1.9
Minimum number of days for which lease rent and maintenance reserve payments are past due	30 days
Unbilled revenue associated with outstanding contracts	$ 0.8
Revenue Benchmark \| Customer Concentration Risk \| One Customer
Revenue Recognition
Concentration risk, percentage	11.40%
WEST II
Organizations [Line Items]
Acquisition of the remaining outstanding shares	100.00%
WEST III
Organizations [Line Items]
Acquisition of the remaining outstanding shares	100.00%
West IV
Organizations [Line Items]
Acquisition of the remaining outstanding shares	100.00%
West V \| WEST V Notes
Organizations [Line Items]
Aggregate principal amount		$ 366.2
West V \| WEST V Series A Notes
Organizations [Line Items]
Aggregate principal amount		303.0
West V \| WEST V Series B Notes
Organizations [Line Items]
Aggregate principal amount		42.1
West V \| WEST V Series C Notes
Organizations [Line Items]
Aggregate principal amount		$ 21.1