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Lease Commitments (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Other Commitments [Line Items] |  |  |  |
Operating Lease, Cost |  | $ 16,956 |  |
Short-term Lease, Cost |  | 369 |  |
Sublease Income |  | 286 |  |
Other Asset Impairment Charges |  | $ 2,107 | $ 0 | $ 0
Rent expense |  |  | $ 13,900 | $ 10,500
Lessee, Operating Lease, Lease Not Yet Commenced, Option To Extend, Value | $ 0 |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 4.70% | 4.70% |  |
Operating Lease, Weighted Average Remaining Lease Term | 8 years 1 month 6 days | 8 years 1 month 6 days |  |
Operating Lease, Payments |  | $ 14,183 |  |
Occupancy |  |  |  |
Other Commitments [Line Items] |  |  |  |
Operating Lease, Cost |  | 15,931 |  |
Variable Lease, Cost |  | 118 |  |
Occupancy | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations |  |  |  |
Other Commitments [Line Items] |  |  |  |
Operating Lease, Cost |  | 1,500 |  |
Other Asset Impairment Charges |  | 2,100 |  |
Occupancy | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Abandonment [Member] |  |  |  |
Other Commitments [Line Items] |  |  |  |
Impairment of Long-Lived Assets to be Disposed of |  | 600 |  |
Compensation and Benefits |  |  |  |
Other Commitments [Line Items] |  |  |  |
Operating Lease, Cost |  | 519 |  |
Communication and Technology |  |  |  |
Other Commitments [Line Items] |  |  |  |
Operating Lease, Cost |  | $ 305 |  |

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- Definition Lessee, Operating Lease, Lease Not Yet Commenced, Option To Extend, Value + References No definition available. + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Weighted average remaining lease term for 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/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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