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Long-Term Debt (Narrative) (Philippine Term Loans) (Details) - Secured Debt [Member] - Philippine term loans due 2016 through 2020 [Member] | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 payment | Oct. 02, 2015 USD ($) | Jul. 03, 2015 USD ($) loan
Debt Instrument [Line Items] |  |  |
Number of Loans | loan |  |  | 2
Principal amount of debt |  |  | $ 50,000,000.0
Credit facility, maximum borrowing capacity |  | $ 50,000,000.0 |
Period of debt, in years | 5 years |  |
Number of quarterly payments | payment | 17 |  |
LIBOR [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (as a percent) | 2.00% |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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