Derivatives - Summary of Changes in Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments and Hedging Activities, Rollforward [Roll Forward]
Balance as of 12/31/2019	$ 6,776
(Gain) or loss recognized in earnings from Change in Fair Value	1,258	$ 0
Balance as of 3/31/2020	8,034
Convertible Notes Payable | Series B Senior Unsecured Convertible Notes
Derivative Instruments and Hedging Activities, Rollforward [Roll Forward]
Balance as of 12/31/2019	6,776
(Gain) or loss recognized in earnings from Change in Fair Value	(3,995)
Balance as of 3/31/2020	2,781
Revolving Credit Facility | Line of Credit
Derivative Instruments and Hedging Activities, Rollforward [Roll Forward]
Balance as of 12/31/2019	0
(Gain) or loss recognized in earnings from Change in Fair Value	5,253
Balance as of 3/31/2020	$ 5,253