Leases - Summary of Supplemental Balance Sheet Information Related to Operating Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating ROU assets	$ 62,942	$ 60,984
Operating lease liabilities, current portion	8,866	7,179
Operating lease liabilities, non-current portion	71,586	72,294
Total operating lease liabilities	$ 80,452	$ 79,473
Weighted average remaining lease term (in years) - operating leases	8 years 2 months 12 days	8 years 8 months 12 days
Weighted average discount rate - operating leases	7.30%	7.60%