Shareholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($) shares	Sep. 30, 2020 USD ($) $ / shares shares
Option Indexed to Issuer's Equity [Line Items]
Aggregate cost of capped call transactions | $	$ (10,625)	$ (10,625)
2026 Capped Calls
Option Indexed to Issuer's Equity [Line Items]
Aggregate number of common shares subject to capped calls | shares	28,675,900	28,675,900
Initial strike price | $ / shares		$ 6.97
Initial cap price | $ / shares		$ 8.42
Aggregate cost of capped call transactions | $		$ 10,600