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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
Contractual Obligation, Fiscal Year Maturity Schedule | As of December 31, 2016, future minimum lease payments under these non-cancelable leases are:
(in thousands) |  | Operating Leases
2017 |  | $ | 3,130 |
2018 |  | 2,110 |
2019 |  | 1,241 |
2020 |  | 734 |
2021 |  | 333 |
Thereafter |  | 36 |
Total minimum lease payments |  | $ | 7,584 |

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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