Capital Stock - Shares Issued and Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Preferred stock
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	24,239,861	24,468,750
Common stock, shares outstanding (in shares)	24,239,861	23,468,750
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Additional paid-in capital
Additional paid-in capital	$ 216,334	$ 180,012