Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

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, 2020 and 2019 are as follows (dollars in thousands):

	December 31,
	2020 (1)			2019 (1)			Life
Computer hardware and software	$	40,587		$	27,660		3 years
Leasehold improvements		56,095			58,294		Shorter of Life of Lease or Useful Life
Furniture, fixtures and equipment		23,071			23,145		5-10 years
Building and improvements		8,485			8,485		15-35 years
Library materials		24			171		10 years
Vehicles		56			56		5 years
Construction in progress		823			1,128
		129,141			118,939
Less-accumulated depreciation		(101,380	)		(92,933	)
Total property and equipment, net	$	27,761		$	26,006

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(1) Property and equipment which were fully depreciated and no longer in use by the Company were retired during the years ended December 31, 2020 and 2019; therefore, both the cost of the asset and the related accumulated depreciation balances were reduced to zero for these assets.