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Defined Contribution Plans (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Defined Contribution Plan Disclosure [Line Items] |  |  |
Employer matching contribution, percentage of employees' pay | 4.00% |  |
Contributions paid | $ 28.7 | $ 23.4 | $ 19.8
Minimum [Member] |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Percentage Contributed for Additional Performance Target | 2.00% | 2.00% | 1.60%
Maximum [Member] |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Percentage Contributed for Additional Performance Target | 4.00% | 4.00% | 3.10%

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- Definition Percentage contributed for additional performance target determined by company performance and the employee's years of service + References No definition available. + Details
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Namespace Prefix: | bcc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |