CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Preferred Stock	Additional Paid-in Capital	Retained Earnings (Deficit)
Beginning balance (in shares) at Dec. 31, 2018		378,333,070	0
Beginning balance at Dec. 31, 2018	$ 429,865	$ 378	$ 0	$ 1,226,371	$ (796,884)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)		3,160,200
Issuance of Common Stock	3	$ 3
Restricted Stock Forfeitures (in shares)		(4,802)
Restricted Stock Forfeitures	0
Stock-Based Compensation	2,832			2,832
Restricted Stock Surrenders - Tax Obligations (in shares)		(220,531)
Restricted Stock Surrenders - Tax Obligations	(558)			(558)
Repurchases of Common Stock (in shares)		(5,635,003)
Repurchases of Common Stock	(15,108)	$ (6)		(15,102)
Contingent Consideration Settlements (in shares)		1,167,544
Contingent Consideration Settlements	2,887	$ 1		2,886
Net Income (Loss)	(107,162)				(107,162)
Ending balance (in shares) at Mar. 31, 2019		376,800,478	0
Ending balance at Mar. 31, 2019	312,760	$ 377	$ 0	1,216,429	(904,046)
Beginning balance (in shares) at Dec. 31, 2019		406,085,183	1,500,000
Beginning balance at Dec. 31, 2019	558,643	$ 406	$ 2	1,431,438	(873,203)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock (in shares)		50,000
Issuance of Common Stock	0	$ 0
Restricted Stock Forfeitures	(400)
Stock-Based Compensation	1,263			1,263
Restricted Stock Surrenders - Tax Obligations (in shares)		(332,002)
Restricted Stock Surrenders - Tax Obligations	(396)			(396)
Issuance of Preferred Stock, Net of Issuance Costs (in shares)			794,702
Issuance of Preferred Stock, Net of Issuance Costs	81,212		$ 1	81,211
Equity Offerings	81,212		$ 1	81,211
Net Income (Loss)	368,286				368,286
Ending balance (in shares) at Mar. 31, 2020		405,803,181	2,294,702
Ending balance at Mar. 31, 2020	$ 1,009,007	$ 406	$ 2	$ 1,513,516	$ (504,917)