Stock-Based Compensation (Narrative) (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Oct. 31, 2013 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock based compensation | $ 319,000 | $ 191,000 | $ 216,000 | |
| Sale of stock, price per share (in dollars per share) | $ 20.96 | $ 20.07 | $ 18.75 | |
| Option maximum term | 10 years | |||
| Aggregate intrinsic value exercisable | ||||
| Restricted Stock and Units [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock based compensation | $ 319,000 | $ 191,000 | 216,000 | |
| Restricted Stock and Units [Member] | Director [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock based compensation | $ 3,000 | |||