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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Level 4 Stock-Based Compensation (Details) (USD $)	12 Months Ended
Level 4 Stock-Based Compensation (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares approved for issuance under stock-based compensation plan	3,100,000
Number of shares available for future issuance under stock-based compensation plan	2,800,000
Common stock, issued	43,229,412	29,700,000
PSUs award description	The number of shares actually awarded will range from 0% to 200% of the target amount, depending upon Boise Cascade's 2013 EBITDA, defined as income before interest (interest expense and interest income), income taxes, and depreciation and amortization, determined in accordance with the related grant agreement.
Number of Options [Abstract]
Stock options, Outstanding, December 31, 2012	0
Stock options, Granted	161,257
Stock options, Outstanding, December 31, 2013	161,257	0
Stock options, Vested and expected to vest, December 31, 2013	132,484
Stock options, Exercisable, December 31, 2013	0
Weighted Average Exercise Price Per Option [Abstract]
Weighted average exercise price, Outstanding at December 31, 2012	$ 0.00
Weighted average exercise price, Granted	$ 27.19
Weighted average exercise price, Outstanding at December 31, 2013	$ 27.19	$ 0.00
Weighted average exercise price, Vested and expected to vest, December 31, 2013	$ 27.19
Weighted average exercise price, Exercisable, December 31, 2013	$ 0.00
Weighted Average Remaining Contractual Life [Abstract]
Weighted average remaining life (years), Outstanding, December 31, 2013	9 years 2 months 25 days
Weighted average remaining life (years), Vested and expected to vest, December 31, 2013	9 years 2 months 25 days
Aggregate Intrinsic Value (thousands) [Abstract]
Aggregate intrinsic value (thousands), Outstanding, December 31, 2013	$ 369,000
Aggregate intrinsic value (thousands), Vested and expected to vest, December 31, 2013	303,000
Aggregate intrinsic value (thousands), Exercisable, December 31, 2013	0
Assumptions used to calculate the fair value of stock options [Abstract]
Expected volatility	60.90%
Expected life (in years)	6 years
Risk-free interest rate	1.00%
Expected dividends	0.00%
Weighted average fair value per option granted	$ 14.87
Unvested, Number of shares [Abstract]
Unvested, December 31, 2012, Unvested shares	0
Granted, Unvested shares	104,285
Unvested, December 31, 2013, Unvested shares	104,285	0
Weighted Average Grant Date Fair Value [Abstract]
Unvested, December 31, 2012, Weighted average grant date fair value	$ 0.00
Granted, Weighted average grant date fair value	$ 26.65
Unvested, December 31, 2013, Weighted average grant date fair value	$ 26.65	$ 0.00
Compensation Expense [Abstract]
Stock-based compensation expense	2,869,000	0	0
Income tax benefit related to stock-based compensation	1,100,000
Remaining unrecognized compensation expense	2,100,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 0 months
Stock Options [Member]
Compensation Expense [Abstract]
Stock-based compensation expense	663,000
Performance Stock Unit [Member]
Unvested, Number of shares [Abstract]
Granted, Unvested shares	90,124
Restricted Stock Unit [Member]
Unvested, Number of shares [Abstract]
Granted, Unvested shares	14,161
Performance Stock Unit and Restricted Stock Unit [Member]
Compensation Expense [Abstract]
Stock-based compensation expense	$ 2,206,000