XML 52 R31.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earnings Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Common Shares Outstanding |
|  | Year Ended December 31, |
|  | 2018 |  | 2017 |  | 2016 |
Denominator: |  |  |  |  |  |  |
Basic weighted average shares outstanding |  | 47,608 |  | 47,140 |  | 46,083 |
Effect of dilutive stock options and restricted stock |  | 806 |  | 1,095 |  | 1,038 |
Diluted weighted average shares outstanding |  | 48,414 |  | 48,235 |  | 47,121 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration