XML 47 R37.htm IDEA: XBRL DOCUMENT
v3.19.1

Net Income Per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Earnings Per Share [Abstract] |
Basic and diluted net income per share | The following table reconciles basic and diluted net income per share for the three months ended March 31, 2019 and 2018.
| Three Months Ended March 31,
| 2019 |  | 2018
| Net Income |  | Weighted-Average Shares |  | Per Share Amount |  | Net Income |  | Weighted-Average Shares |  | Per Share Amount
Net income available to common stockholders | $ | 38,817 |  |  | 49,369,024 |  |  | $ | 0.79 |  |  | $ | 36,679 |  |  | 49,192,647 |  |  | $ | 0.75 |
Effect of potentially dilutive stock options and restricted stock awards |  |  | 171,820 |  |  |  |  |  |  | 235,325 |  |  |
Diluted net income per share | $ | 38,817 |  |  | 49,540,844 |  |  | $ | 0.78 |  |  | $ | 36,679 |  |  | 49,427,972 |  |  | $ | 0.74 |

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 an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration