The following is a summary of fixed assets as of December 31, 2020 and 2019 (in thousands):

	December 31,
	2020			2019
Office equipment	$	323,841		$	288,975
Leasehold improvements		105,187			120,570
Building		62,803			58,804
Aircraft engine operating leases		—			206,315
		491,831			674,664
Accumulated depreciation and amortization		(323,916	)		(292,499	)
	$	167,915		$	382,165

For the years ended December 31, 2020, 2019, and 2018, depreciation and amortization totaled $40.9 million, $38.4 million, and $27.9 million, respectively.

As of December 31, 2019, the Company had a total lease portfolio of 14 aircraft engines with a net book value of $200.4 million. Lease income, included in other income in the consolidated statements of operations, was $20.9 million for year ended December 31, 2019.

During the year ended December 31, 2020, Stifel Bancorp’s equity in North Shore was redeemed. As a result, we deconsolidated the related assets, liabilities, and non-controlling interests of North Shore. For more information, see Note 1 – Nature of Operations and Basis of Presentation.