XML 41 R30.htm IDEA: XBRL DOCUMENT
v3.21.1

NET INCOME PER COMMON SHARE AND EQUITY PER COMMON SHARE (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
NET INCOME PER COMMON SHARE AND EQUITY PER COMMON SHARE [Abstract] |
Shares Used in Computing Basic and Diluted Net Income Per Share | The following table summarizes the shares used in computing basic and diluted net income per share:
|  | For the Three Months Ended March 31, |
|  | 2021 |  |  | 2020 |
|  | (in thousands) |
Weighted average common shares outstanding during the period for Basic computation |  |  | 9,368 |  |  |  | 9,297 |
Dilutive effect of employee stock options and awards |  |  | 39 |  |  |  | 46 |
Weighted average common shares outstanding during the period for Diluted computation |  |  | 9,407 |  |  |  | 9,343 |

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