v3.5.0.2

Earnings Per Share | 6 Months Ended
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Jun. 30, 2016
Earnings Per Share [Abstract] |
Earnings Per Share | 6. EARNINGS PER SHARE The components of basic and diluted earnings per share for the quarter and six months ended June 30, 2016 and 2015 are as follows:
|  | Quarter Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
|  | (Thousands of dollars) |
Weighted average outstanding shares of common stock, basic |  |  | 15,677 |  |  |  | 15,574 |  |  |  | 15,650 |  |  |  | 15,574 |
Dilutive effect of unvested restricted stock units |  |  | 41 |  |  |  | 116 |  |  |  | — |  |  |  | 105 |
Weighted average outstanding shares of common stock, diluted (1) |  |  | 15,718 |  |  |  | 15,690 |  |  |  | 15,650 |  |  |  | 15,679 |
(1) | For the six months ended June 30, 2016, 3,180 unvested restricted stock units were excluded from the weighted average outstanding shares of common stock, diluted, as they were anti-dilutive to earnings per share.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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