Schedule of Assets for Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Total assets	$ 3,007,425	$ 2,974,742
Owned and managed
Segment Reporting Information [Line Items]
Total assets	2,694,293	2,654,791
Managed-only
Segment Reporting Information [Line Items]
Total assets	81,551	109,572
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	231,566	200,760
Discontinued Operations
Segment Reporting Information [Line Items]
Total assets	$ 15	$ 9,619