XML 37 R20.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Weighted Average Common Shares | 12 Months Ended
--- | ---
Dec. 31, 2018
Earnings Per Share [Abstract] |
Weighted Average Common Shares | Weighted Average Common Shares The following table provides a reconciliation of the weighted average number of common shares used in the calculation of basic and diluted earnings per share (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Weighted average common shares for basic earnings per share | 237,511 |  |  | 237,420 |  |  | 237,345 |
Effect of dilutive securities: restricted share awards | 35 |  |  | 32 |  |  | 37 |
Weighted average common shares for diluted earnings per share | 237,546 |  |  | 237,452 |  |  | 237,382 |

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 The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration