Share-based Payment Arrangements (Schedule of Options, Grants in Period, Grant Date Intrinsic Value) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Cost of share-based payments (non-cash) | $ 383 | $ 222 | $ 352 |
| Employee Stock Option [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Intrinsic value of options exercised | 393 | 412 | |
| Cost of share-based payments (non-cash) | 157 | 173 | 207 |
| Income tax benefit of share-based payments recognized in income | $ 30 | $ 30 | $ 30 |