XML 61 R51.htm IDEA: XBRL DOCUMENT
v3.19.1

Stock-Based Compensation Stock-Based Compensation Details (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Stock-Based Compensation Details |  |
Employee Benefits and Share-based Compensation | $ 408 | $ 970
Minimum [Member] |  |
Stock-Based Compensation Details |  |
Equity Share Payout Range | 0 |
Maximum [Member] |  |
Stock-Based Compensation Details |  |
Equity Share Payout Range | 59,922 |
Share-based Compensation Award, Tranche Two [Member] |  |
Stock-Based Compensation Details |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted | 25,793 |
Share Based Compensation Non Option Equity Instruments Granted Weighted Average Exercise Price | $ 30.54 |

X
- Definition Equity Share Payout Range + References No definition available. + Details
Name: | laws_EquitySharePayoutRange
Namespace Prefix: | laws_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation Non Option Equity Instruments Granted Weighted Average Exercise Price + References No definition available. + Details
Name: | laws_ShareBasedCompensationNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice
Namespace Prefix: | laws_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for employee benefit and equity-based compensation. + References No definition available. + Details
Name: | us-gaap_EmployeeBenefitsAndShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net number of non-option equity instruments granted to participants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |