Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity Note [Abstract]
Common stock, shares authorized	240,000,000	240,000,000
Preferred stock, shares authorized	5,000,000
Preferred stock, par value per share (in dollars per share)	$ 0.01
Option Indexed to Issuer's Equity [Line Items]
Aggregate cost of capped call transactions	$ (10,625)
2026 Capped Calls
Option Indexed to Issuer's Equity [Line Items]
Aggregate number of common shares subject to capped calls	28,675,900
Initial strike price	$ 6.97
Initial cap price (in dollars per share)	$ 8.42
Aggregate cost of capped call transactions	$ 10,600