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Stock-Based Compensation (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 28, 2017 stock_awards | Feb. 29, 2016 stock_awards | Jun. 30, 2017 USD ($) $ / shares shares | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) tranch $ / shares shares | Jun. 30, 2016 USD ($) shares | Dec. 31, 2016 $ / shares shares
Stock-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Number of types of stock-based awards granted (in types) | stock_awards |  | 2 | 2 |  |  |  |  |
Fair market value of awards | $ |  |  |  |  |  | $ 8,400 | $ 1,800 |
Stock-based compensation expense | $ |  |  |  | $ 2,441 | $ 2,173 | 4,443 | 3,866 |
Tax benefit from compensation expense | $ |  |  |  |  |  | 1,700 | 1,500 |
Unrecognized compensation expense | $ |  |  |  | 14,600 |  | $ 14,600 |  |
Unrecognized compensation, period for recognition |  |  |  |  |  | 2 years |  |
Officer [Member] |  |  |  |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Performance Shares Target Percentage Earned, Officers |  |  |  |  |  |  |  | 97.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |
Performance Shares that could be awarded, as a percentage of ROIC target amount, minimum |  |  |  |  |  | 0.00% |  |
Performance Shares that could be awarded, as a percentage of ROIC target amount, maximum |  |  |  |  |  | 200.00% |  |
Other employees [Member] |  |  |  |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Performance Shares Target Percentage Earned, Other Employees |  |  |  |  |  |  |  | 104.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |
Performance Shares that could be awarded, as a percentage of EBITDA target amount, minimum |  |  |  |  |  | 0.00% |  |
Performance Shares that could be awarded, as a percentage of EBITDA target amount, maximum |  |  |  |  |  | 200.00% |  |
Performance Shares [Member] |  |  |  |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Stock-based compensation expense | $ |  |  |  | $ 1,094 | 1,168 | $ 2,015 | $ 1,874 |
Number of shares [Abstract] |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 |  |  |  |  |  | 448,500 |  |
Granted |  |  |  |  |  | 178,021 | 418,344 |
Performance condition adjustment | [1] |  |  |  |  | 5,175 |  |
Vested |  |  |  |  |  | (116,863) |  |
Forfeited | [2] |  |  |  |  | (24,624) |  |
Outstanding, June 30, 2017 |  |  |  | 490,209 |  | 490,209 |  | 448,500
Weighted Average Grant Date Fair Value [Abstract] |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 | $ / shares |  |  |  |  |  | $ 18.16 |  |
Granted | $ / shares |  |  |  |  |  | 27.05 |  |
Performance condition adjustment | $ / shares | [1] |  |  |  |  | 16.56 |  |
Vested | $ / shares |  |  |  |  |  | 20.36 |  |
Forfeited | $ / shares | [2] |  |  |  |  | 19.50 |  |
Outstanding, June 30, 2017 | $ / shares |  |  |  | $ 20.78 |  | $ 20.78 |  | $ 18.16
PSUs forfeited during the period due to the full performance condition not being achieved |  |  |  |  |  | 8,457 |  |
Performance Shares [Member] | Officer [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |
Vesting period (in years) |  |  |  |  |  | 3 years |  |
Performance Shares [Member] | Other employees [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |
Number of equal tranches for annual vesting (in tranches) | tranch |  |  |  |  |  | 3 |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Stock-based compensation expense | $ |  |  |  | $ 1,347 | 1,005 | $ 2,428 | $ 1,911 |
Number of shares [Abstract] |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 |  |  |  |  |  | 387,287 |  |
Granted |  |  |  |  |  | 209,697 | 330,678 |
Performance condition adjustment |  |  |  |  |  | 0 |  |
Vested |  |  |  |  |  | (180,328) |  |
Forfeited |  |  |  |  |  | (13,419) |  |
Outstanding, June 30, 2017 |  |  |  | 403,237 |  | 403,237 |  | 387,287
Weighted Average Grant Date Fair Value [Abstract] |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 | $ / shares |  |  |  |  |  | $ 19.73 |  |
Granted | $ / shares |  |  |  |  |  | 27.05 |  |
Performance condition adjustment | $ / shares |  |  |  |  |  | 0.00 |  |
Vested | $ / shares |  |  |  |  |  | 20.68 |  |
Forfeited | $ / shares |  |  |  |  |  | 22.26 |  |
Outstanding, June 30, 2017 | $ / shares |  |  |  | $ 23.03 |  | $ 23.03 |  | $ 19.73
Restricted Stock Units (RSUs) [Member] | Officers and other employees [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |
Number of equal tranches for annual vesting (in tranches) | tranch |  |  |  |  |  | 3 |  |
Restricted Stock Units (RSUs) [Member] | Nonemployee Directors [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |
Vesting period (in years) |  |  |  |  |  | 1 year |  |
Employee Stock Options [Member] |  |  |  |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Stock-based compensation expense | $ |  |  |  | $ 0 | $ 0 | $ 0 | $ 81 |
[1] | Amount represents additional PSU's earned during the six months ended June 30, 2017 based on the performance condition adjustment, as other employees earned 104% of the target based Boise Cascade's 2016 EBITDA.
[2] | Total PSUs forfeited during the six months ended June 30, 2017 includes 8,457 shares related to the performance condition adjustment, as officers earned 97% of the target based on Boise Cascade’s 2016 ROIC.

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