Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Supplemental Cash Flow Information
Cash paid for interest			$ 11,110	$ 3,506
Cash paid for income taxes			7
Non-cash investing activity:
Receipt of MSRs created in loan sales activities	$ 60,137	$ 25,620	$ 154,352	$ 51,006