Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

The following table shows an analysis of goodwill and other intangible assets:

	Goodwill and other intangible assets
	Goodwill			Other intangible assets			Total
Balance as of December 31, 2014
Gross amount	$	8,160		$	12,999		$	21,159
Accumulated impairment losses and amortization	(2,299		)	(10,958		)	(13,257		)
	5,861			2,041			7,902
Acquired during the year	191,729			83,600			275,329
Amortization	—			(18,077		)	(18,077		)
Balance as of December 31, 2015
Gross amount	199,889			96,599			296,488
Accumulated impairment losses and amortization	(2,299		)	(29,035		)	(31,334		)
	197,590			67,564			265,154
Amortization	—			(13,968		)	(13,968		)
Balance as of December 31, 2016
Gross amount	199,889			96,599			296,488
Accumulated impairment losses and amortization	(2,299		)	(43,003		)	(45,302		)
	$	197,590		$	53,596		$	251,186

Schedule of Goodwill and Other Intangible Assets Included In Equity Method Investments

The following table shows an analysis of goodwill and other intangible assets included in investments in other ventures, under equity method:

	Goodwill and other intangible assets included in investments in other  ventures, under equity method
	Goodwill			Other intangible  assets			Total
Balance as of December 31, 2014
Gross amount	$	12,318		$	45,400		$	57,718
Accumulated impairment losses and amortization	—			(32,466		)	(32,466		)
	12,318			12,934			25,252
Acquired during the year	—			6,396			6,396
Amortization	—			(2,900		)	(2,900		)
Impairment losses	(4,500		)	(1,094		)	(5,594		)
Balance as of December 31, 2015
Gross amount	12,318			51,796			64,114
Accumulated impairment losses and amortization	(4,500		)	(36,460		)	(40,960		)
	7,818			15,336			23,154
Amortization	—			(3,474		)	(3,474		)
Balance as of December 31, 2016
Gross amount	12,318			51,796			64,114
Accumulated impairment losses and amortization	(4,500		)	(39,934		)	(44,434		)
	$	7,818		$	11,862		$	19,680

Schedule of Other Intangible Assets By Major Class

The gross carrying value and accumulated amortization by major category of other intangible assets is shown below:

	Other intangible assets
At December 31, 2016	Gross  carrying   value		Accumulated amortization and impairment losses			Total
Customer relationships and customer lists	$	95,458	$	(42,142	)	$	53,316
Value of business acquired	20,200		(19,527		)	673
Licenses	10,267		—			10,267
Software	12,230		(11,938		)	292
Patents and intellectual property	4,500		(4,500		)	—
Covenants not-to-compete	4,030		(3,523		)	507
Trademarks and trade names	1,710		(1,307		)	403
	$	148,395	$	(82,937	)	$	65,458

	Other intangible assets
At December 31, 2015	Gross  carrying   value		Accumulated amortization and impairment losses			Total
Customer relationships and customer lists	$	95,458	$	(33,294	)	$	62,164
Value of business acquired	20,200		(13,467		)	6,733
Software	12,230		(10,188		)	2,042
Licenses	10,267		—			10,267
Patents and intellectual property	4,500		(4,500		)	—
Covenants not-to-compete	4,030		(2,763		)	1,267
Trademarks and trade names	1,710		(1,283		)	427
	$	148,395	$	(65,495	)	$	82,900

Schedule of Expected Amortization Expense

Expected amortization of the other intangible assets, including other intangible assets recorded in investments in other ventures, under equity method, is shown below:

	Other intangibles		Other intangible assets  included in investments in other ventures, under equity method		Total
2017	$	8,041	$	2,935	$	10,976
2018	5,727		2,596		8,323
2019	5,446		2,427		7,873
2020	5,237		1,564		6,801
2021	4,910		702		5,612
2022 and thereafter	13,968		1,638		15,606
Total remaining amortization expense	$	43,329	$	11,862	$	55,191
Indefinite lived	10,267		—		10,267
Total	$	53,596	$	11,862	$	65,458