Leases - Summary of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Finance lease cost:
Amortization of right-of-use asset	$ 45	$ 15
Interest expense on lease liability	34	11
Total finance lease cost	79	26
Operating lease cost	528	515
Short-term and equipment lease cost	9	28
Sublease income	(6)	(5)
Total lease costs	$ 610	$ 564