Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt

Schedule of estimated future principal payments due

As of March 31, 2020, the estimated future principal payments due were as follows (in thousands):

Year ending December 31,
2020 (nine months ending December 31)	$	—
2021		—
2022		25,000
2023		25,000
2024 and thereafter		—
	$	50,000