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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property and Equipment [Abstract]

Composition of property and equipment

The composition of property and equipment as of December 31, 2017 and 2018 is as follows (in thousands):

								Estimated useful
		2017			2018			life (years)
Land		$	7,138		$	7,138		—
Buildings and improvements			20,739			20,883		5-40
Furniture and office equipment			76,726			76,856		5-7
Computer hardware			10,970			13,546		3-7
Computer software			80,662			129,519		3-10
Leasehold improvements			42,915			44,215		3-10
Construction in progress			4,914			8,354		—
			244,064			300,511
Accumulated depreciation and amortization			(170,301)			(177,834)
		$	73,763		$	122,677

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- References

No definition available.

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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

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