Leases - Lease Cost and Other Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating lease expense	$ 3,063	$ 2,863
Short-term lease expense	693	842
Total lease expense	3,756	3,705
Cash paid for amounts included in the measurement of operating lease liabilities	2,991	2,780
ROU assets obtained in exchange for operating lease obligations	$ 531	$ 76,175
Weighted-average remaining lease term (years)	10 years 7 months 6 days	11 years
Weighted-average discount rate	4.89%	4.95%