Summary of Significant Accounting Policies (Details) (Crusader Servicing Corporation [Member])	Mar. 31, 2013
Crusader Servicing Corporation [Member]
Noncontrolling Interest [Line Items]
Percentage of ownership interest in subsidiary (in hundredths)	60.00%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant