Income Taxes - Summary of Changes in Liability Related to Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Income Tax Disclosure [Abstract] | |||
| Unrecognized tax benefit liability, Beginning Balance | $ 4,755 | $ 5,740 | $ 6,693 |
| Prior period positions: | |||
| Increases | 939 | 175 | 181 |
| Decreases | (415) | (66) | |
| Increases from current period positions | 615 | 184 | 195 |
| Settlements | (897) | ||
| Lapse of statute of limitations | (1,290) | (1,114) | (170) |
| Other | (247) | (230) | (196) |
| Unrecognized tax benefit liability, Ending Balance | $ 4,357 | $ 4,755 | $ 5,740 |
| X | ||||||||||
- Definition Unrecognized tax benefits increase decrease resulting from other adjustments. No definition available.
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in prior year tax returns. No definition available.
|
| 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 decrease 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 settlements with taxing authorities. 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
|