Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Extended lease term	5 years
Operating lease expense	$ 10,600	$ 11,200
Operating rent expense			$ 13,500
Cash paid for operating leases	9,200	9,900
Right-of-use assets in exchange for operating lease obligations	$ 13,000	7,100
Weighted average remaining operating lease term	6 years 3 months 18 days
Weighted average discount rate for operating leases	4.50%
Maturities of Operating Lease Liabilities [Abstract]
2021	$ 6,861
2022	4,762
2023	3,436
2024	2,500
2025	1,945
Thereafter	7,850
Total lease payments	27,354
Less imputed interest	(3,806)
Present value of lease liabilities	$ 23,548
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Assets Held for Sale [Member]
Leases [Abstract]
Right-of-use assets		1,800
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
Other Assets [Member]
Leases [Abstract]
Right-of-use assets	$ 23,300	16,800
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Liabilities Held for Sale [Member]
Leases [Abstract]
Operating lease, liability, Current		1,800
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
Other Accrued Expenses [Member]
Leases [Abstract]
Operating lease, liability, Current	$ 6,000	7,200
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherAccruedLiabilitiesCurrent
Other Liabilities [Member]
Leases [Abstract]
Operating lease, liability, Noncurrent	$ 17,500	$ 9,900
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent