Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-Based Incentive Plans - Narrative (Details) - $ / shares	3 Months Ended
	Sep. 30, 2019	Mar. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of stock options outstanding, low end of range	$ 1.64
Exercise price of stock option outstanding, high end of range	$ 20.91
2014 Plan \| Stock Option Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expiration period (in years)	10 years
Shares available for grant		2,300,000
2014 Plan \| Stock Option Awards \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	1 year
2014 Plan \| Stock Option Awards \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	4 years
2014 Plan \| Performance-Based Restricted Stock Awards, Restricted Stock Units Payable in Cash
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awards outstanding	1,736,739
2008 Plan \| Stock Option Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expiration period (in years)	10 years
2008 Plan \| Stock Option Awards \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	1 year
2008 Plan \| Stock Option Awards \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	4 years
2008 and 2014 Plan \| Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awards outstanding	2,595,531
Weighted average grant date fair value of awards granted (in dollars per share)	$ 2.42
2008 and 2014 Plan \| Restricted Stock Awards \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	1 year
2008 and 2014 Plan \| Restricted Stock Awards \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	4 years
2008 and 2014 Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awards outstanding	1,653,635
Weighted average grant date fair value of awards granted (in dollars per share)	$ 1.80
2008 and 2014 Plan \| Restricted Stock Units \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	1 year
2008 and 2014 Plan \| Restricted Stock Units \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)	4 years