Note 6. Other and Intangible Assets, net

Other and intangible assets, net, include the following amounts (in thousands):

	June 30,			December 31,
	2017			2016			Useful Life
	(unaudited)
Goodwill	$	746,482		$	66,826		Indefinite

Gaming license	$	846,374		$	482,074		Indefinite
Trade names		95,850			3,100		Indefinite
Trade names		6,700			6,700		1 - 3.5 years
Loyalty programs		21,461			7,700		1 - 3 years
Subtotal		970,385			499,574
Accumulated amortization trade names		(5,332	)		(4,376	)
Accumulated amortization loyalty programs		(8,363	)		(7,700	)
Total gaming licenses and other intangible assets	$	956,690		$	487,498

Non-operating real property	$	18,069		$	14,219

Land held for development	$	906		$	906
Other		16,408			9,214
Total other assets, net	$	17,314		$	10,120

Goodwill represents the excess of the purchase prices of acquiring MTR Gaming and Isle over the fair market value of the net assets acquired.

Gaming licenses represent intangible assets acquired from the purchase of a gaming entity located in a gaming jurisdiction where competition is limited, such as when only a limited number of gaming operators are allowed to operate in the jurisdiction. These gaming license rights are not subject to amortization as the Company has determined that they have an indefinite useful lives.

Amortization expense with respect to trade names and the loyalty program for the three and six months ended June 30, 2017 amounted to $1.1 million and $1.6 million, respectively, and $1.2 million and $2.4 million for the three and six months ended June 30, 2016, respectively, which is included in depreciation and amortization expense in the consolidated statements of operations. Such amortization expense is expected to be $3.4 million for the remainder of December 31, 2017 and $5.0 million, $4.6 million and $1.5 million for the years ended December 31, 2018, 2019 and 2020, respectively.