Leases - Balance Sheet Information and Weighted-Average Lease Terms and Discount Rates Related to Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Finance lease right-of-use assets, net of accumulated depreciation	$ 7,179	$ 7,471
Finance lease liabilities	7,544	7,805
Operating lease right-of-use assets	33,704	30,901
Operating lease liabilities	$ 35,389	$ 32,290
Weighted-average lease term:
Finance leases	8 years 4 months 28 days	8 years 6 months 10 days
Operating leases	9 years 2 months 12 days	8 years 7 months 24 days
Weighted-average discount rate:
Finance leases	3.11%	3.10%
Operating leases	3.25%	3.41%