Components of Interest Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Banking and Thrift [Abstract]
Interest on borrowings and related fees	$ 80,263	$ 56,080	$ 51,392
Accretion of original issue discount 1	431	1,367	3,427
Amortization of debt issuance costs	3,413	2,695	3,380
Capitalized interest 2	(5,266)	(803)	(1,983)
Interest expense	$ 78,841	$ 59,339	$ 56,216