Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Intangible Assets

Reconciliation of goodwill and accumulated goodwill impairment losses

A reconciliation of goodwill and accumulated goodwill impairment losses is as follows (in thousands):

Balance at December 31, 2015
Goodwill	$	2,175,507
Accumulated goodwill impairment losses		(1,263,565)
Goodwill, net	$	911,942
Goodwill acquired		77,743
Balance at December 31, 2016:
Goodwill	$	2,253,250
Accumulated goodwill impairment losses		(1,263,565)
Goodwill, net	$	989,685
Goodwill acquired		36,598
Goodwill impairment losses		(18,026)
Other		(160)
Balance at December 31, 2017:
Goodwill	$	2,289,848
Accumulated goodwill impairment losses		(1,281,751)
Goodwill, net	$	1,008,097

Schedule of gross carrying value, accumulated amortization, and net book value of each major class of other intangible assets

	December 31, 2017						December 31, 2016
	(in thousands)
	Gross						Gross
	Carrying		Accumulated		Net Book		Carrying		Accumulated		Net Book
	Value		Amortization		Value		Value		Amortization		Value
Indefinite-life intangible assets	$	375,405	$	—	$	375,405	$	375,405	$	—	$	375,405
Other intangible assets		131,483		84,282		47,201		125,584		65,495		60,089
Total	$	506,888	$	84,282	$	422,606	$	500,989	$	65,495	$	435,494

Schedule of expected intangible asset amortization expense

The following table presents expected intangible asset amortization expense based on existing intangible assets at December 31, 2017 (in thousands):

2018	$	13,614
2019		8,505
2020		5,844
2021		3,599
2022		3,596
Thereafter		12,043
Total	$	47,201

Schedule of remaining goodwill and other intangible assets by reporting unit

The Company’s remaining goodwill and other intangible assets by reporting unit at December 31, 2017 is shown below (in thousands):

			Total Intangible
Reporting Unit	Goodwill		Assets
Hollywood Casino St. Louis	$	205,783	$	58,418
Hollywood Casino Aurora		207,207		—
Argosy Casino Riverside		154,332		4,964
Zia Park Casino		142,359		—
Hollywood Gaming at Dayton Raceway		15,339		110,436
Hollywood Gaming at Mahoning Valley Race Course		—		125,000
Penn Interactive Ventures		67,004		15,968
Hollywood Casino at Penn National Race Course		1,497		67,607
Prairie State Gaming		34,185		30,031
Hollywood Casino Lawrenceburg		63,189		—
Hollywood Casino Tunica		44,042		—
1st Jackpot Casino		35,929		567
Boomtown Biloxi		22,365		—
Argosy Casino Alton		9,863		8,285
Plainridge Park Casino		3,052		—
Hollywood Casino at Charles Town Races		1,354		—
Others		597		1,330
Total	$	1,008,097	$	422,606