Stockholders' Equity - PSU Award Activity (Details) - Performance Shares	3 Months Ended
	Mar. 31, 2020 $ / shares shares
Number of PSUs
Outstanding, beginning balance (in shares) | shares	1,086,100
Granted (in shares) | shares	60,000
Outstanding, ending balance (in shares) | shares	1,146,100
Weighted-average Stock Price
Outstanding, Beginning Balance, Weighted-average Stock Price (in dollars per share) | $ / shares	$ 4.34
Granted, Weighted-average Stock Price (in dollars per share) | $ / shares	6.61
Outstanding, Ending Balance, Weighted-average Stock Price (in dollars per share) | $ / shares	$ 4.46