CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (PARENTHETICAL) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2018 |
Dec. 31, 2017 |
|
| Other comprehensive income (loss), available-for-sale securities, before reclassification adjustments, tax | ||
| Unrealized holding losses on available-for-sale debt securities, tax | $ 0 | $ 0 |
| Reclassification from accumulated other comprehensive income of losses on available-for-sale debt securities included in net income, tax | $ 0 | $ 0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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