- DefinitionAmount of the contractual principal due at the origination of the mortgage loan (face amount).
Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 948
 -SubTopic 310
 -Section S99
 -Paragraph 1
 -Subparagraph (SX 210.12-29)
 -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014
Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Accounting Standards Codification
 -Topic 205
 -SubTopic 10
 -Section S99
 -Paragraph 6
 -Subparagraph (SX 210.5-04.(c) Schedule IV)
 -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674
| Name: | us-gaap_MortgageLoansOnRealEstateFaceAmountOfMortgages | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | debit | 
| Period Type: | instant |