Transactions with Related Parties (Parenthetical) (Detail) (USD $)	3 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Jun. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Transactions with Third Party [Line Items]
Revenues generated from investee accounted for under equity method	$ 600,000		$ 600,000			$ 2,000,000		$ 2,300,000
Management fee paid for termination of consulting agreement								16,718,000
Rent and other fees	1,999,000	[1],[2]	1,636,000	[1],[2]		6,000,000	[1],[2]	31,708,000	[1],[2]
Selling, general and administrative expense	7,104,000		8,990,000			25,629,000		30,477,000
Non operating expense	(6,287,000)		(5,703,000)			(16,503,000)		(107,464,000)
Popular [Member]
Transactions with Third Party [Line Items]
Total revenues from Popular	46.00%		46.00%			45.00%		47.00%
Rent and other fees					5,900,000
Related Party Transactions [Member]
Transactions with Third Party [Line Items]
Management fees to equity sponsors								20,300,000
Selling, general and administrative expense	2,000,000		1,600,000			6,000,000		9,100,000
Non operating expense								$ 22,600,000

[1] Includes management fees to equity sponsors amounting to $20.3 million for the nine months ended September 30, 2013. Management fees paid during 2013 include $16.7 million resulting from the termination of the Consulting Agreements as explained below. It also includes $5.9 million paid to Popular in connection with the redemption premium on the senior notes during the first half of 2013.

[2] For the periods presented above, $2.0 million, $1.6 million, $6.0 million and $9.1 million were recorded as selling, general and administrative expenses, and $22.6 million was recorded as non-operating expenses for the nine months ended September 30, 2013.