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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2018
Property Plant And Equipment [Abstract] |
Schedule of Cost Basis and Estimated Useful Lives of Property and Equipment | The cost basis and estimated useful lives of property and equipment as of December 31, 2018 and 2017 are as follows (dollars in thousands):
|  | December 31, |  |  |
|  | 2018 |  |  | 2017 |  |  | Life
Computer hardware and software |  | $ | 105,175 |  |  | $ | 105,244 |  |  | 3 years
Leasehold improvements |  |  | 73,951 |  |  |  | 90,486 |  |  | Shorter of Life of Lease or Useful Life
Furniture, fixtures and equipment |  |  | 37,362 |  |  |  | 40,464 |  |  | 5-10 years
Building and improvements |  |  | 8,578 |  |  |  | 8,578 |  |  | 15-35 years
Library materials |  |  | 982 |  |  |  | 1,522 |  |  | 10 years
Vehicles |  |  | 107 |  |  |  | 464 |  |  | 5 years
Construction in progress |  |  | 1,945 |  |  |  | 297 |  |  |
|  |  | 228,100 |  |  |  | 247,055 |  |  |
Less-accumulated depreciation |  |  | (198,052 | ) |  |  | (213,825 | ) |  |
Total property and equipment, net |  | $ | 30,048 |  |  | $ | 33,230 |  |  |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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