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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Composition of Segments

Headquartered in Las Vegas, we have gaming operations in Nevada, Illinois, Indiana, Iowa, Kansas, Louisiana and Mississippi, which we aggregate in order to present the following three reportable segments:

Las Vegas Locals
Gold Coast Hotel and Casino	Las Vegas, Nevada
The Orleans Hotel and Casino	Las Vegas, Nevada
Sam's Town Hotel and Gambling Hall	Las Vegas, Nevada
Suncoast Hotel and Casino	Las Vegas, Nevada
Eastside Cannery Casino and Hotel	Las Vegas, Nevada
Aliante Casino + Hotel + Spa	North Las Vegas, Nevada
Cannery Casino Hotel	North Las Vegas, Nevada
Eldorado Casino	Henderson, Nevada
Jokers Wild Casino	Henderson, Nevada
Downtown Las Vegas
California Hotel and Casino	Las Vegas, Nevada
Fremont Hotel and Casino	Las Vegas, Nevada
Main Street Station Casino, Brewery and Hotel	Las Vegas, Nevada
Midwest and South
Par-A-Dice Hotel Casino	East Peoria, Illinois
Blue Chip Casino, Hotel & Spa	Michigan City, Indiana
Diamond Jo Dubuque	Dubuque, Iowa
Diamond Jo Worth	Northwood, Iowa
Kansas Star Casino	Mulvane, Kansas
Amelia Belle Casino	Amelia, Louisiana
Delta Downs Racetrack Casino & Hotel	Vinton, Louisiana
Evangeline Downs Racetrack and Casino	Opelousas, Louisiana
Sam's Town Hotel and Casino	Shreveport, Louisiana
Treasure Chest Casino	Kenner, Louisiana
IP Casino Resort Spa	Biloxi, Mississippi
Sam's Town Hotel and Gambling Hall	Tunica, Mississippi

Schedule of Allowance for Doubtful Accounts

The activity comprising our allowance for doubtful accounts is as follows:

	Year Ended December 31,
(In thousands)	2017				2016				2015
Beginning balance, January 1,	$	1,971			$	2,087			$	1,971
Additions due to Acquisitions	—				87				—
Additions	478				345				361
Deductions	(377		)		(548		)		(245		)
Ending balance	$	2,072			$	1,971			$	2,087

Schedule of Property and Equipment

The estimated useful lives of our major components of property and equipment are:

Building and improvements	3 through 40 years
Riverboats and barges	5 through 40 years
Furniture and equipment	1 through 10 years

Property and equipment, net consists of the following:

	December 31,
(In thousands)	2017				2016
Land	$	294,533			$	251,316
Buildings and improvements	2,935,539				2,915,664
Furniture and equipment	1,311,704				1,243,724
Riverboats and barges	238,926				239,264
Construction in progress	59,538				86,226
Other	—				726
Total property and equipment	4,840,240				4,736,920
Less accumulated depreciation	2,300,454				2,131,751
Property and equipment, net	$	2,539,786			$	2,605,169

Schedule of Bond Maturity Dates

Future maturities of the City Bonds, excluding the discount, for the years ending December 31 are summarized as follows:

(In thousands)
For the year ending December 31,
2018	$	475
2019	510
2020	550
2021	590
2022	635
Thereafter	17,760
Total	$	20,520

Changes in Self-Insurance Reserves

Self-insurance reserves are included in other liabilities on our consolidated balance sheets.

The activity comprising our self-insurance reserves is as follows:

	Year Ended December 31,
(In thousands)	2017				2016				2015
Beginning balance	$	31,022			$	30,068			$	33,004
Additions
Charged to costs and expenses	84,209				79,685				80,311
Due to acquisitions	—				14				—
Payments made	(81,236		)		(78,745		)		(83,247		)
Ending balance	$	33,995			$	31,022			$	30,068

Schedule of Promotional Allowances

The amounts included in promotional allowances are as follows:

	Year Ended December 31,
(In thousands)	2017				2016				2015
Rooms	$	76,029			$	74,937			$	77,177
Food and beverage	168,886				146,946				150,598
Other	14,455				13,694				14,870
Total promotional allowances	$	259,370			$	235,577			$	242,645

The estimated costs of providing such promotional allowances are as follows:

	Year Ended December 31,
(In thousands)	2017				2016				2015
Rooms	$	33,584			$	33,514			$	35,605
Food and beverage	150,431				130,941				133,717
Other	13,315				12,417				12,290
Total cost of promotional allowances	$	197,330			$	176,872			$	181,612

Weighted-Average Assumptions Used in Estimating the Fair Value of Significant Stock Option Grants and Awards

The following table discloses the weighted-average assumptions used in estimating the fair value of our significant stock option grants and awards in prior years:

	Year Ended December 31,
	2016				2015
Expected stock price volatility	46.62		%		49.06		%
Risk-free interest rate	1.39		%		1.59		%
Expected option life (in years)	5.4				5.3
Estimated fair value per share	$	7.67			$	9.06

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