Earnings per Common Share (Narrative) (Details) - shares |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Dilutive awards | 0 | 0 | 0 | 0 |
Restricted Stock [Member] | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Participating securities allocated a portion of income | 43,961 | 38,938 | 40,888 | 34,844 |
Restricted Stock Units (RSUs) [Member] | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Potentially dilutive securities | 169,767 | |||
Employee Stock Option [Member] | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Potentially dilutive securities | 400,785 | |||
Antidilutive securities excluded from computation of earnings per share, amount | 571,221 | 426,196 | 506,223 | 367,033 |