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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Nonvested Share Activity [Table Text Block] | The following summarizes the activity of our PSUs and RSUs awarded under our incentive plan for the nine months ended September 30, 2018:
| PSUs |  | RSUs
| Number of shares |  | Weighted Average Grant-Date Fair Value |  | Number of shares |  | Weighted Average Grant-Date Fair Value
Outstanding, December 31, 2017 | 487,160 |  |  | $ | 20.76 |  |  | 403,252 |  |  | $ | 23.06 |
Granted | 78,976 |  |  | 43.05 |  |  | 99,087 |  |  | 43.08 |
Performance condition adjustment (a) | 67,835 |  |  | 27.05 |  |  | — |  |  | — |
Vested | (187,606 | ) |  | 20.20 |  |  | (199,414 | ) |  | 23.47 |
Forfeited | (14,027 | ) |  | 26.26 |  |  | (11,738 | ) |  | 26.13 |
Outstanding, September 30, 2018 | 432,338 |  |  | $ | 25.88 |  |  | 291,187 |  |  | $ | 29.47 |
_______________________________
(a) | Performance condition adjustment represents additional PSU's granted, as other employees earned 145% of the target based on Boise Cascade's 2017 EBITDA and officers earned 135% of the target based on Boise Cascade’s 2017 ROIC.
Stock-Based Compensation Expense Recognized [Table Text Block] | Total stock-based compensation recognized from PSUs and RSUs, net of forfeitures, was as follows:
| Three Months Ended September 30 |  | Nine Months Ended September 30
| 2018 |  | 2017 |  | 2018 |  | 2017
| (thousands)
PSUs | $ | 945 |  |  | $ | 1,297 |  |  | $ | 3,263 |  |  | $ | 3,312 |
RSUs | 1,217 |  |  | 1,191 |  |  | 3,630 |  |  | 3,619 |
Total | $ | 2,162 |  |  | $ | 2,488 |  |  | $ | 6,893 |  |  | $ | 6,931 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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