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Segment Reporting and Foreign Operations - Long-lived Assets by Geographic Area (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-Lived Assets | $ 234,803 | $ 179,140 | $ 128,055
United States [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-Lived Assets | 176,644 | 134,393 | 97,881
Ireland [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-Lived Assets | 48,182 | 36,008 | 22,203
Other Foreign Countries [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-Lived Assets | $ 9,977 | $ 8,739 | $ 7,971

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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