Leases - Future Operating Lease Payments and Sublease Revenue (Details) - USD ($) $ in Thousands	Dec. 31, 2019		Jan. 01, 2019
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2020	$ 18,219
2021	18,649
2022	15,010
2023	11,663
2024	12,002
Thereafter	74,497
Total lease payments	150,040
Discount effect	37,696
Operating lease liabilities	$ 112,344	[1]	$ 110,100
Operating lease, not yet commenced, lease term	9 years
Operating lease, not yet commenced, undiscounted future rent	$ 8,700
Lessee, Operating Sublease, Description [Abstract]
2020	(6,369)
2021	(6,560)
2022	(2,906)
2023	0
2024	0
Thereafter	0
Total lease payments	(15,835)
Operating Lease Payments, Net [Abstract]
2020	11,850
2021	12,089
2022	12,104
2023	11,663
2024	12,002
Thereafter	74,497
Total lease payments	$ 134,205

[1] The Company adopted ASU 2016-02, Leases, as of January 1, 2019, and has elected not to restate comparative periods presented in the consolidated financial statements. For additional information, see “Notes to Consolidated Financial Statements – Note 2. Summary of Significant Accounting Policies” and “Notes to Consolidated Financial Statements – Note 18. Leases.”