Debt Instrument, Minimum Principal Balance, Transfer Requirement

No definition available.

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- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

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- Definition

Line of Credit Facility, Accordion Feature, Increased Maximum Borrowing Capacity

+ References

No definition available.

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- Definition

Line of Credit Facility, Borrowing Base

+ References

No definition available.

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- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Additional Funding

+ References

No definition available.

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- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Increase

+ References

No definition available.

+ Details

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- Definition

Long-term Debt, Percentage Bearing Variable Interest, Fixed Floor Percentage Rate

+ References

No definition available.

+ Details

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- Definition

Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 8
-Article 9

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The carrying amount as of the date of the latest financial statement presented of other securities classified as available for sale or held for investment which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=55761124&loc=SL6224234-111729

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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Debt (Narrative) (Details) - USD ($)													1 Months Ended			12 Months Ended
Debt (Narrative) (Details) - USD ($)	Dec. 08, 2016	Aug. 19, 2016	Jun. 17, 2016	May 17, 2016	Apr. 28, 2016	Apr. 27, 2016	Oct. 07, 2015	Aug. 13, 2015	Jun. 12, 2015	May 22, 2015	Sep. 15, 2014	Jan. 02, 2014	Dec. 31, 2016	May 31, 2016	Nov. 30, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Nov. 30, 2016	Nov. 29, 2016	Jun. 16, 2016	Feb. 26, 2016	Sep. 14, 2014	Aug. 31, 2014	May 08, 2014	Oct. 31, 2013
Debt Instrument [Line Items]
Loans held for investment that are pledged as collateral													$ 886,400,000			$ 886,400,000	$ 417,100,000
Amortization of debt issuance costs																4,538,000	2,837,000	$ 2,676,000
ODAST Agreement \| Secured Debt
Debt Instrument [Line Items]
Amount of debt repaid				$ 175,000,000
ODAST Agreement \| Secured Debt \| ODAST \| Deutsche Bank
Debt Instrument [Line Items]
Securitization agreement																									$ 175,000,000
Minimum aggregate principal balance required																									183,200,000.0
ODAST Agreement \| Secured Debt \| ODAST \| Deutsche Bank \| Class A
Debt Instrument [Line Items]
Line of credit																									$ 156,700,000.0
Interest rate																									3.15%
ODAST Agreement \| Secured Debt \| ODAST \| Deutsche Bank \| Class B
Debt Instrument [Line Items]
Line of credit																									$ 18,300,000.0
Interest rate																									5.68%
PORT Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit									$ 100,000,000
PORT Agreement \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Variable interest spread									2.25%
RAOD Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit										$ 50,000,000												$ 100,000,000
RAOD Agreement \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Variable interest spread										3.00%
ODAP Agreement \| Revolving Credit Facility \| ODAP \| Jefferies Mortgage Funding, LLC
Debt Instrument [Line Items]
Line of credit								$ 100,000,000																$ 75,000,000
Interest rate floor								4.00%
ODAP Agreement \| Revolving Credit Facility \| ODAP \| LIBOR \| Jefferies Mortgage Funding, LLC \| Maximum
Debt Instrument [Line Items]
Variable interest spread								1.00%
ODAC Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing base					75.00%	70.00%
ODAC Agreement \| Revolving Credit Facility \| ODAC
Debt Instrument [Line Items]
Line of credit					$ 75,000,000	$ 50,000,000						$ 50,000,000														$ 25,000,000
ODAC Agreement \| Revolving Credit Facility \| ODAC \| LIBOR
Debt Instrument [Line Items]
Variable interest spread					9.25%	8.25%						8.25%
ODAST II Agreement \| Secured Debt
Debt Instrument [Line Items]
Amount of debt repaid				$ 250,000,000
ODAST II Agreement Due May 2020 - Class A \| Secured Debt
Debt Instrument [Line Items]
Interest rate				4.21%
Amount of debt repaid				$ 211,500,000
ODAST II Agreement Due May 2020 - Class B \| Secured Debt
Debt Instrument [Line Items]
Interest rate				7.63%
Amount of debt repaid				$ 38,500,000
ODART Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit											$ 167,600,000.0												$ 111,800,000.0
ODART Agreement \| Revolving Credit Facility \| Class A
Debt Instrument [Line Items]
Line of credit											150,000,000												100,000,000
ODART Agreement \| Revolving Credit Facility \| Class B
Debt Instrument [Line Items]
Line of credit											$ 17,600,000.0												$ 11,800,000.0
Interest rate floor											7.25%
ODART Agreement \| Revolving Credit Facility \| LIBOR \| Class B
Debt Instrument [Line Items]
Variable interest spread											1.00%
ODART Agreement \| Revolving Credit Facility \| Cost of funds \| Class A
Debt Instrument [Line Items]
Variable interest spread											3.00%
ODART Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit			$ 162,400,000.0																		$ 150,000,000
Borrowing base			92.00%
Increase in line of credit			$ 12,400,000
ODART Agreement \| Revolving Credit Facility \| Class A
Debt Instrument [Line Items]
Line of credit							$ 150,000,000
ODART Agreement \| Revolving Credit Facility \| Class B
Debt Instrument [Line Items]
Variable interest spread							7.00%
Borrowing base							95.00%
Line of credit before election							$ 17,600,000.0
Maximum capacity at election							$ 167,600,000.0
ODART Agreement \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Variable interest spread			8.00%
ODART Agreement \| Revolving Credit Facility \| Cost of funds \| Class A
Debt Instrument [Line Items]
Variable interest spread							2.25%
ODAF Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit		$ 100,000,000
Borrowing base		80.00%
ODAF Agreement \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Variable interest spread		7.25%
PORT II Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit	$ 200,000,000
Borrowing base	83.00%
PORT II Agreement \| Revolving Credit Facility \| Class A
Debt Instrument [Line Items]
Line of credit	$ 125,000,000
Line of credit, additional funding	$ 75,000,000
PORT II Agreement \| Revolving Credit Facility \| Prime Rate
Debt Instrument [Line Items]
Variable interest spread	2.25%
Corporate debt
Debt Instrument [Line Items]
Amount of debt repaid																$ 0	$ 12,000,000	$ 12,000,000
Corporate debt \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit															$ 20,000,000				$ 30,000,000	$ 20,000,000
Interest rate floor															4.50%
Corporate debt \| Revolving Credit Facility \| Prime Rate
Debt Instrument [Line Items]
Variable interest spread															1.25%
Interest Expense \| ODAST Agreement \| Secured Debt
Debt Instrument [Line Items]
Amortization of debt issuance costs														$ 1,600,000
Interest Expense \| PORT Agreement \| Secured Debt
Debt Instrument [Line Items]
Amortization of debt issuance costs													$ 200,000