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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.