Intangibles (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets other than Goodwill

Intangible assets other than goodwill were comprised of the following:    

	December 31,
	2018			2017
Noncompetition and other agreements	$	131,360		$	429,140
Lease agreements	7,584			7,623
Indefinite-lived assets	59,885			33,255
Other	583			583
	199,412			470,601
Less accumulated amortization	(80,566		)	(356,774		)
	$	118,846		$	113,827

Scheduled Amortization Charges from Intangible Assets and Liabilities

Scheduled amortization charges from amortizable intangible assets and liabilities as of December 31, 2018 were as follows: 

	Noncompetition and other agreements		Lease liabilities			Other
2019	$	14,442	$	(901	)	$	91
2020	13,020		(895		)	45
2021	10,816		(871		)	—
2022	7,001		(864		)	—
2023	4,235		(704		)	—
Thereafter	9,311		(1,695		)	—
Total	$	58,825	$	(5,930	)	$	136