XML 33 R17.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accumulated Other Comprehensive Income (Notes) | 12 Months Ended
--- | ---
Dec. 31, 2017
Equity [Abstract] |
Accumulated Other Comprehensive Income | Accumulated Other Comprehensive Income The following table summarizes the activity of accumulated other comprehensive income during the years ended December 31, 2017, 2016 and 2015 (in thousands):
|  | Accumulated translation adjustment |  | Accumulated unrealized holding gains (losses) on available-for-sale securities |  | Accumulated other comprehensive income
Balance at December 31, 2014 |  | $ | 147 |  | $ | — |  | $ | 147
Other comprehensive income (loss) |  | 133 |  | (39) |  | 94
Balance at December 31, 2015 |  | 280 |  | (39) |  | 241
Other comprehensive income |  | 18 |  | 32 |  | 50
Balance at December 31, 2016 |  | 298 |  | (7) |  | 291
Other comprehensive loss |  | (159) |  | (60) |  | (219)
Balance at December 31, 2017 |  | $ | 139 |  | $ | (67) |  | $ | 72

X
- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
Name: | us-gaap_ComprehensiveIncomeNoteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration