Leases (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Quantitative Lease Disclosures [Abstract]
Renewal option period		5 years
Assets [Abstract]
Operating lease right-of-use assets		$ 36,020	$ 0
Liabilities [Abstract]
Sundry payables and accrued expenses		8,739
Noncurrent operating lease liabilities		28,376	$ 0
Present value of lease liabilities		$ 37,115
Operating Leases [Abstract]
Weighted average remaining lease term		5 years 7 months 6 days
Weighted average discount rate		3.70%
Lease Expense [Abstract]
Operating lease expense	[1]	$ 8,940
Excluded expenses of non lease		2,400
Cash Paid for the amounts included in the measurement of lease liabilities [Abstract]
Operating cash flows from operating leases		8,758
Right-of-use assets obtained in exchange for new lease obligations [Abstract]
Operating leases		4,663
Minimum Lease Payments [Abstract]
2020		8,994
2021		8,245
2022		6,882
2023		5,682
2024		3,881
Thereafter		7,844
Total lease payments		41,528
Less: Interest		(4,413)
Present value of lease liabilities		$ 37,115
Maximum [Member]
Quantitative Lease Disclosures [Abstract]
Remaining operating lease terms		10 years

[1] Excludes expenses of approximately $2.4 million related to non-lease components such as maintenance, property taxes, etc., and operating lease expense for leases with an initial term of 12 months or less, which is not material