Segment and Geographic Information - Total Assets by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	$ 2,079,363	$ 1,638,939
Financial Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	1,802,255	1,357,838
Real Estate Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	$ 277,108	$ 281,101