Number of Lease Renewal Options

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- Definition

Significant Accounting Policies [Line Items]

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Significant Accounting Policies (Narrative) (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2020 USD ($) item	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)
Significant Accounting Policies [Line Items]
Allowance for credit losses	$ 28,028		$ 22,360
Cumulative effect	3,209,250	$ 3,239,354	3,285,447	1,886,107	$ 1,131,424	1,132,487
ROU assets	106,790
Operating lease liability	$ 120,299
Minimum [Member]
Significant Accounting Policies [Line Items]
Number of lease renewal options \| item	1
Accumulated Deficit [Member]
Significant Accounting Policies [Line Items]
Cumulative effect	$ (1,031,797)	$ (989,175)	(930,064)	(113,918)	$ (19,983)	$ (17,841)
ASC 842 [Member]
Significant Accounting Policies [Line Items]
ROU assets			111,815
Operating lease liability			125,331
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member]
Significant Accounting Policies [Line Items]
Cumulative effect	$ 417		(417)
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2016-13 [Member] \| Accumulated Deficit [Member]
Significant Accounting Policies [Line Items]
Cumulative effect			$ (417)