Leases - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Lease Disclosure [Line Items]
Prepaid lease payments		$ 1,600
Remaining lease payments		9,814
Rent expense			$ 1,200
Cash paid for operating lease liabilities		3,900
Sublease income		$ 100	300
Leases not yet commenced		Company did not have any leases that had not yet commenced
Subsequent Event
Lease Disclosure [Line Items]
Short-term lease liability payments	$ 800
Lease Equipment
Lease Disclosure [Line Items]
Lease term		10 years
Lease equipment			3,200
Prepaid lease payments			$ 1,600
Remaining lease payments		$ 800
Corporate Headquarters
Lease Disclosure [Line Items]
Operating lease commencement date		Oct. 20, 2016
Lease term expiration date		Dec. 31, 2026
Operating lease, renewal term		5 years
Office Space
Lease Disclosure [Line Items]
Lease term expiration date		May 31, 2021
Lease option to extend		The remaining lease terms vary from few months to 7 years. For its leases the Company has options to extend the lease term for periods varying from one to five years.
Option to extend		true
Office Space | Maximum
Lease Disclosure [Line Items]
Operating lease, renewal term		5 years
Lease term		7 years
Office Space | Minimum
Lease Disclosure [Line Items]
Operating lease, renewal term		1 year