XML 57 R31.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Net Income Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Earnings Per Share [Abstract] |
Summary of the net income allocated to common shares and the basic and diluted shares used in the net income per share computations | The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:
| Year Ended December 31,
(in thousands) | 2018 | 2017 | 2016
Net income | $ | 135,413 |  | $ | 84,402 |  | $ | 65,991 |
Less distributed and undistributed earnings allocated to participating securities | (1,875 | ) | (1,517 | ) | (1,496 | )
Net income allocated to common shares | $ | 133,538 |  | $ | 82,885 |  | $ | 64,495 |
Weighted average common shares outstanding | 41,217 |  | 41,067 |  | 41,668 |
Incremental shares from assumed conversions of common stock options and LTIP awards | 289 |  | 204 |  | 94 |
Adjusted weighted average common shares outstanding | 41,506 |  | 41,271 |  | 41,762 |
Potentially dilutive securities not included in weighted average share calculation due to anti-dilutive effect | — |  | — |  | — |

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