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Stock-Based Compensation (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Feb. 28, 2017
stock_awards
Feb. 29, 2016
stock_awards
Feb. 28, 2015
stock_awards
Dec. 31, 2017
USD ($)
tranch
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Stock-Based Compensation [Abstract]            
Maximum number of shares approved for issuance under stock-based compensation plan       3,700,000    
Number of types of stock-based awards granted (in types) | stock_awards 2 2 2      
Number of shares available for future issuance under stock-based compensation plan       2,700,000    
Fair market value of PSUs and RSUs vested | $       $ 8,500 $ 2,800 $ 4,900
Stock-based compensation expense | $       9,730 8,177 5,825
Tax benefit from compensation expense | $       2,500 $ 3,100 $ 2,200
Unrecognized compensation expense | $       $ 10,700    
Unrecognized Compensation, Period for Recognition       1 year 8 months    
Stock-Based Compensation Awards [Abstract]            
Performance Shares Target Percentage Earned           63.00%
Officer [Member]            
Stock-Based Compensation Awards [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%    
Performance Shares Target Percentage Earned, officers         97.00%  
Other employees [Member]            
Stock-Based Compensation Awards [Abstract]            
Performance Shares that could be awarded, as a percentage of target amount, minimum       0.00%    
Performance Shares that could be awarded, as a percentage of target amount, maximum       200.00%    
Performance Shares Target Percentage Earned         104.00%  
Performance Shares [Member]            
Stock-Based Compensation [Abstract]            
Stock-based compensation expense | $       $ 4,923 $ 4,114 $ 2,295
Stock-Based Compensation Awards [Abstract]            
PSUs forfeited during the period due to the full performance condition not being achieved       8,457    
Number of shares [Abstract]            
Outstanding, December 31, 2016       448,500    
Granted       178,021 418,344 116,636
Performance condition adjustment [1]       5,175    
Vested       (118,138)    
Forfeited [2]       (26,398)    
Outstanding, December 31, 2017       487,160 448,500  
Weighted Average Grant Date Fair Value [Abstract]            
Outstanding, December 31, 2016 | $ / shares       $ 18.16    
Granted | $ / shares       27.05 $ 16.56 $ 36.17
Performance condition adjustment | $ / shares       16.56    
Vested | $ / shares       20.44    
Forfeited | $ / shares       19.63    
Outstanding, December 31, 2017 | $ / shares       $ 20.76 $ 18.16  
Performance Shares [Member] | Officer [Member]            
Stock-Based Compensation Awards [Abstract]            
Vesting period (in years)       3 years    
Performance Shares [Member] | Other employees [Member]            
Stock-Based Compensation Awards [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 | $       $ 4,807 $ 3,982 $ 2,995
Number of shares [Abstract]            
Outstanding, December 31, 2016       387,287    
Granted       214,035 335,820 140,167
Vested       (182,489)    
Forfeited       (15,581)    
Outstanding, December 31, 2017       403,252 387,287  
Weighted Average Grant Date Fair Value [Abstract]            
Outstanding, December 31, 2016 | $ / shares       $ 19.73    
Granted | $ / shares       27.10 $ 16.73 $ 36.16
Vested | $ / shares       20.79    
Forfeited | $ / shares       22.41    
Outstanding, December 31, 2017 | $ / shares       $ 23.06 $ 19.73  
Restricted Stock Units (RSUs) [Member] | Officers and other employees [Member]            
Stock-Based Compensation Awards [Abstract]            
Number of equal tranches for annual vesting (in tranches) | tranch       3    
Restricted Stock Units (RSUs) [Member] | Nonemployee Directors [Member]            
Stock-Based Compensation Awards [Abstract]            
Vesting period (in years)       1 year    
Employee Stock Option [Member]            
Stock-Based Compensation [Abstract]            
Stock-based compensation expense | $       $ 0 $ 81 $ 535
[1] Amount represents additional PSU's earned during the year ended December 31, 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 year ended December 31, 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.