Stockholders' Equity (Narrative) (Details) - USD ($)	1 Months Ended		3 Months Ended		105 Months Ended
	Apr. 30, 2019	Apr. 30, 2015	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Stockholders Equity [Line Items]
Remaining authorized amount			$ 0
Common stock, shares outstanding			81,993,613
2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Shares reserved for Incentive Plan			3,250,000
Additional shares reserved for Incentive Plan	2,500,000	4,250,000
Stock granted					8,744,461
Director [Member] | 2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Vesting period			1 year
Minimum [Member] | 2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Vesting period			3 years
Maximum [Member] | 2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Vesting period			5 years
Stock Options [Member]
Stockholders Equity [Line Items]
Anti-dilutive securities			3,400,000	2,600,000
Stock Options [Member] | 2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Maximum term for stock option plan grant			10 years
Performance Shares [Member] | 2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Stock granted			336,325
Restricted Units [Member] | 2011 Omnibus Incentive Plan [Member]
Stockholders Equity [Line Items]
Stock granted			696,777