Fixed Assets

Major classifications of fixed assets and related useful lives are summarized as follows (in thousands):



		DECEMBER 31,
	USEFUL LIFE	2015			2014
Land		$	5,892		$	5,892
Building and improvements	5-40 years	25,516			25,304
Furniture and equipment	5-10 years	11,802			10,881
Computer equipment	3-5 years	11,393			10,380
Leasehold improvements	3-5 years	11,632			8,347
		66,235			60,804
Less accumulated depreciation and amortization		(28,759		)	(25,474		)
		$	37,476		$	35,330

Computer equipment at December 31, 2015 includes equipment acquired under capital leases of $4.7 million and related accumulated depreciation of $2.9 million. Computer equipment at December 31, 2014 includes equipment acquired under capital leases of $3.8 million and related accumulated depreciation of $2.3 million. Depreciation and amortization expense, which includes amortization of capital leases, during the years ended December 31, 2015, 2014 and 2013 was $6.7 million, $6.3 million and $5.9 million, respectively.