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Lease Commitments - Additional Information (Details) - USD ($) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2019
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease ROU asset | $ 106,508,000 |  | $ 102,354,000 | [1] | $ 122,300,000
Lease liability | $ 123,136,000 |  | $ 117,829,000 |  |
Renewal term | 5 years |  |  |  |
Termination period | 1 year |  |  |  |
Sublease income, remainder of 2020 | $ 2,100,000 |  |  |  |
Sublease income, 2021 | 4,200,000 |  |  |  |
Sublease income, 2022 | $ 100,000 |  |  |  |
Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term | 1 year |  |  |  |
Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term | 11 years |  |  |  |
Allen, TX |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease ROU asset |  | $ 11,455,000 |  |  |
Lease liability |  | $ 11,455,000 |  |  |
[1] | Derived from the audited Consolidated Balance Sheet

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- Definition Lessee, Operating Lease, Termination Period + References No definition available. + 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 Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919396-209981 + Details
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- Definition Amount of lease payment to be received by lessor for operating lease in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919396-209981 + Details
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- Definition Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919396-209981 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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