Fair Values of Financial Instruments (Details) $ in Thousands |
12 Months Ended |
|---|---|
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Dec. 31, 2017
USD ($)
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| Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] | |
| Ending balance, December 31, 2016 | $ 271 |
| Additions not previously recognized | 0 |
| Ending balance, December 31, 2017 | $ 271 |
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- Definition This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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