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Commitments and Contingencies Level 3 (Tables) | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] | As of December 31, 2018, future minimum lease payments for non-cancelable operating and capital leases exceeding one year were as follows:
| Operating |  | Capital
| (In thousands)
2019 | $ | 11,295 |  |  | $ | 46,998 |
2020 | 9,550 |  |  | 51,943 |
2021 | 8,251 |  |  | 57,881 |
2022 | 7,282 |  |  | 21,842 |
2023 | 5,397 |  |  | 15,587 |
2024 and thereafter | 37,841 |  |  | 40,447 |
Total | $ | 79,616 |  |  | $ | 234,698 |
Less: Interest on capital leases |  |  | (22,746 | )
Total principal payable on capital leases |  |  |  | $ | 211,952 |
Long-term Purchase Commitment [Table Text Block] | At December 31, 2018, the maximum estimated future cash commitments under agreements with remaining commitment terms, and with original terms of more than one year, were as follows:
| Employment and Management |  | Consulting |  | Non-Competition |  | Total
| (In thousands)
2019 | $ | 1,823 |  |  | $ | 632 |  |  | $ | 5,671 |  |  | $ | 8,126 |
2020 | 1,116 |  |  | 517 |  |  | 4,365 |  |  | 5,998 |
2021 | 674 |  |  | 387 |  |  | 3,301 |  |  | 4,362 |
2022 | 332 |  |  | 307 |  |  | 2,683 |  |  | 3,322 |
2023 | 94 |  |  | 78 |  |  | 1,874 |  |  | 2,046 |
2024 and thereafter | — |  |  | 214 |  |  | 5,921 |  |  | 6,135 |
Total | $ | 4,039 |  |  | $ | 2,135 |  |  | $ | 23,815 |  |  | $ | 29,989 |

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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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