Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Income Tax Disclosure [Abstract] | |||
| Balance at beginning of year | $ 13,930 | $ 8,552 | $ 10,346 |
| Additions for tax positions related to the current year | 4,039 | 4,116 | 2,705 |
| Additions for tax positions related to previous years | 129 | 1,987 | 734 |
| Reduction of reserve for statute expirations | (98) | (725) | (5,233) |
| Balance at end of year | $ 18,000 | $ 13,930 | $ 8,552 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|