Stock-Based Compensation Plans (Narrative) (Details)	11 Months Ended	12 Months Ended			60 Months Ended	72 Months Ended	84 Months Ended
	Dec. 31, 2019 USD ($) plan shares	Dec. 31, 2019 USD ($) plan shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($) shares	Dec. 31, 2019 USD ($) plan shares	Dec. 31, 2019 USD ($) plan shares	Dec. 31, 2019 USD ($) plan shares	Dec. 31, 2013 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, granted (in shares)		1,049,000	1,613,000	1,295,000
Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of plans | plan	2	2			2	2	2
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $	$ 2,224,328	$ 2,224,328			$ 2,224,328	$ 2,224,328	$ 2,224,328
Amortization expense | $		$ 897,136	$ 0	$ 0
Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved (in shares)	45,000,000	45,000,000			45,000,000	45,000,000	45,000,000
Shares issued under plan (in shares)	4,919,256	4,919,256			4,919,256	4,919,256	4,919,256
Options granted net of shares from canceled/expired options (in shares)	796,635
Restricted period, maximum, in years		10 years
Shares granted with restriction period (in shares)		3,315,482
Shares, granted (in shares)	854,633
Omnibus Incentive Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period		1 year
Award expiration period		5 years
Omnibus Incentive Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period		5 years
Award expiration period		10 years
Restricted Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved (in shares)	9,000,000	9,000,000			9,000,000	9,000,000	9,000,000
Shares granted with restriction period (in shares)		3,315,482
Shares, granted (in shares)					5,762,672
Unearned stock-based compensation | $	$ 47,139,370	$ 47,139,370			$ 47,139,370	$ 47,139,370	$ 47,139,370
Amortization expense | $		$ 13,770,917	$ 8,841,985	$ 5,353,339
Employee Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved (in shares)	24,000,000	24,000,000			24,000,000	24,000,000	24,000,000
Options granted net of shares from canceled/expired options (in shares)						12,903,592
Unrecognized compensation cost | $	$ 6,316,567	$ 6,316,567			$ 6,316,567	$ 6,316,567	$ 6,316,567
Weighted-average period for unrecognized compensation cost expected to be recognized		1 year 10 months 24 days
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved (in shares)								2,000,000
Shares, granted (in shares)		173,013	177,846	175,479			1,145,856
ESPP discount rate		85.00%
Discount recognized as compensation expense		15.00%