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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

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