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Note Non-consolidated variable interest entities - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2013 | Sep. 30, 2011 | Sep. 30, 2018 | Dec. 31, 2017
PRLP 2011 Holding, LLC |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Equity Method Investment Ownership Percentage |  | 24.90% | 24.90% |
Loans Receivable, Description of Variable Rate Basis |  | 5-year maturity and bear a variable interest at 30-day LIBOR plus 300 basis points |  |
Carrying Amount Of Acquisition Loan After Financed Closing Costs |  | $ 86.0 |  |
Total Working Capital Line |  | 20.0 |  |
Total Advance Facility |  | 69.0 |  |
Cash Received From Investee |  | $ 48.0 |  |
PR Asset Portfolio 2013-1 International, LLC |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Equity Method Investment Ownership Percentage | 24.90% |  | 24.90% |
Loans Receivable, Description of Variable Rate Basis | 5-year maturity and bears a variable interest at 30-day LIBOR plus 300 basis points |  |  |
Carrying Amount Of Acquisition Loan After Financed Closing Costs | $ 182.0 |  |  |
Total Working Capital Line | 30.0 |  |  |
Total Advance Facility | 35.0 |  |  |
Cash Received From Investee | $ 92.0 |  |  |
FNMA, GNMA, FHLMC VIE |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement |  |  | $ 10,700.0 | $ 11,700.0

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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- Definition This is the principal amount outstanding for securitized loans only (across all types of loans). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82924980&loc=d3e107314-111719 + Details
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