Credit Facilities - Term Loan (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Aug. 31, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Feb. 28, 2017 |
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| Line of Credit Facility [Line Items] | |||||
| Proceeds from borrowings | $ 171,783 | $ 302,612 | $ 307,900 | ||
| Loans Payable [Member] | |||||
| Line of Credit Facility [Line Items] | |||||
| Short-term loans borrowed | $ 102,000 | ||||
| Term Loan [Member] | |||||
| Line of Credit Facility [Line Items] | |||||
| Proceeds from borrowings | $ 40,000 | ||||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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