Debt Instrument Additional Length of Period of Extension Options

No definition available.

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- Definition

Represents the length of period of the extension options.

+ References

No definition available.

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- Definition

Debt Instrument Length of Additional Period of Extension Options

+ References

No definition available.

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- Definition

Debt Obligations

+ References

No definition available.

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- Definition

Represents the number of twelve-month extension maturity periods, subject to the satisfaction of customary conditions under the new revolving credit facility.

+ References

No definition available.

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- Definition

Line of Credit Facility, Number of Additional Extensions of Maturity Period

+ References

No definition available.

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- Definition

Real Estate Securities Held-For-Sale, Not Reflected in Consolidated Financial Statement

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No definition available.

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- Definition

Securities Phased in Secondary Market

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No definition available.

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- Definition

Represents the committed amount as of the balance sheet date of securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo.

+ References

No definition available.

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- Definition

Represents the committed but unfunded amount, as of the balance sheet date, of securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo.

+ References

No definition available.

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- Definition

Interest rate on the amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

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- Definition

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

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- Definition

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

+ References

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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

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- Definition

Amount of asset associated with funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.

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- Definition

Fair value of securities pledged as collateral against securities sold under agreement to repurchase.

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- Definition

Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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DEBT OBLIGATIONS, NET - Schedule of Company's Debt Obligations (Details)		6 Months Ended	12 Months Ended
	Mar. 21, 2017 Extension	Jun. 30, 2018 USD ($) Extension	Dec. 31, 2017 USD ($) Extension	Dec. 21, 2017 USD ($)	Oct. 17, 2017 USD ($)	Feb. 22, 2017 USD ($)
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		$ 819,963,000	$ 473,410,000
Debt obligations		4,702,449,000
Carrying Amount of Collateral		0	0
Committed Loan Repurchase Facility
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		1,650,000,000	1,650,000,000
Debt Obligations Outstanding		599,653,000	398,653,000
Committed but Unfunded		1,050,347,000	1,251,347,000
Carrying Amount of Collateral		961,577,000	667,102,000
Fair Value of Collateral		961,671,000	668,664,000
Committed amount on credit agreement		1,650,000,000
Committed Loan Repurchase Facility \| 10/1/2020
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		600,000,000	600,000,000
Debt Obligations Outstanding		156,960,000	120,493,000
Committed but Unfunded		443,040,000	479,507,000
Carrying Amount of Collateral		249,792,000	160,031,000
Fair Value of Collateral		$ 248,215,000	$ 159,568,000
Number of extension maturity periods \| Extension		2	2
Length of extension options		12 months	12 months
Length of additional extension maturity periods	12 months
Committed Loan Repurchase Facility \| 10/1/2020 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		3.82%	3.23%
Committed Loan Repurchase Facility \| 10/1/2020 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.57%	3.98%
Committed Loan Repurchase Facility \| 5/24/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 350,000,000
Debt Obligations Outstanding		151,930,000
Committed but Unfunded		198,070,000
Carrying Amount of Collateral		277,588,000
Fair Value of Collateral		$ 278,773,000
Number of extension maturity periods \| Extension		2
Length of extension options		12 months
Committed Loan Repurchase Facility \| 5/24/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.29%
Committed Loan Repurchase Facility \| 5/24/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		5.04%
Committed Loan Repurchase Facility \| 5/24/2018
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing			$ 450,000,000
Debt Obligations Outstanding			183,111,000
Committed but Unfunded			266,889,000
Carrying Amount of Collateral			333,647,000
Fair Value of Collateral			$ 335,076,000
Number of extension maturity periods \| Extension			3
Length of extension options			12 months
Committed Loan Repurchase Facility \| 5/24/2018 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate			3.63%
Committed Loan Repurchase Facility \| 5/24/2018 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate			4.48%
Committed Loan Repurchase Facility \| 4/7/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 300,000,000
Debt Obligations Outstanding		127,751,000
Committed but Unfunded		172,249,000
Carrying Amount of Collateral		196,877,000
Fair Value of Collateral		$ 197,412,000
Number of extension maturity periods \| Extension		1
Length of additional extension maturity periods		364 days
Number of additional extension maturity periods \| Extension		1
Committed Loan Repurchase Facility \| 4/7/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.07%
Committed Loan Repurchase Facility \| 4/7/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.57%
Committed Loan Repurchase Facility \| 4/10/2018
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing			$ 300,000,000			$ 300,000,000.0
Debt Obligations Outstanding			63,007,000
Committed but Unfunded			236,993,000
Carrying Amount of Collateral			125,379,000
Fair Value of Collateral			$ 125,975,000
Number of extension maturity periods \| Extension			2
Length of extension options			364 days
Additional length of period of extension options			364 days
Length of additional extension maturity periods	364 days
Number of additional extension maturity periods \| Extension	1
Committed Loan Repurchase Facility \| 4/10/2018 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate			3.73%
Committed Loan Repurchase Facility \| 4/10/2018 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate			4.73%
Committed Loan Repurchase Facility \| 5/6/2021
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		$ 106,564,000
Committed but Unfunded		193,436,000
Carrying Amount of Collateral		161,130,000
Fair Value of Collateral		161,081,000
Committed amount on credit agreement		$ 300,000,000
Number of extension maturity periods \| Extension		1
Length of extension options		12 months
Length of additional extension maturity periods		6 months
Number of additional extension maturity periods \| Extension		2
Committed Loan Repurchase Facility \| 5/6/2021 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.06%
Committed Loan Repurchase Facility \| 5/6/2021 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		5.06%
Committed Loan Repurchase Facility \| 6/28/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 100,000,000	$ 100,000,000
Debt Obligations Outstanding		56,448,000	0
Committed but Unfunded		43,552,000	100,000,000
Carrying Amount of Collateral		76,190,000	0
Fair Value of Collateral		$ 76,190,000	0
Committed Loan Repurchase Facility \| 6/28/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.17%
Committed Loan Repurchase Facility \| 6/28/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.57%
Committed Loan Repurchase Facility \| 2/29/2020
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing			200,000,000
Debt Obligations Outstanding			32,042,000
Committed but Unfunded			167,958,000
Carrying Amount of Collateral			48,045,000
Fair Value of Collateral			$ 48,045,000
Number of extension maturity periods \| Extension			1
Length of extension options			12 months
Length of additional extension maturity periods			6 months
Number of additional extension maturity periods \| Extension			2
Committed Loan Repurchase Facility \| 2/29/2020 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate			4.25%
Committed Loan Repurchase Facility \| 2/29/2020 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate			4.50%
Committed Securities Repurchase Facility
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 400,000,000
Committed Securities Repurchase Facility \| 9/30/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		400,000,000	$ 400,000,000
Debt Obligations Outstanding		99,889,000	0
Committed but Unfunded		300,111,000	400,000,000
Carrying Amount of Collateral		120,724,000	0
Fair Value of Collateral		$ 120,724,000	0
Committed Securities Repurchase Facility \| 9/30/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		2.38%
Committed Securities Repurchase Facility \| 9/30/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		2.99%
Uncommitted Securities Repurchase Facility \| Various Dates
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		$ 120,421,000	74,757,000
Carrying Amount of Collateral		137,374,000	86,322,000
Fair Value of Collateral		137,374,000	86,322,000
Purchase, not reflected in consolidated financial statement		2,500,000	$ 26,700,000
Securities phased in secondary market		$ 6,000,000
Uncommitted Securities Repurchase Facility \| Various Dates \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		2.65%	1.65%
Uncommitted Securities Repurchase Facility \| Various Dates \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.07%	3.31%
Total Repurchase Facilities
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 2,050,000,000	$ 2,050,000,000
Debt Obligations Outstanding		819,963,000	473,410,000
Committed but Unfunded		1,350,458,000	1,651,347,000
Carrying Amount of Collateral		1,219,675,000	753,424,000
Fair Value of Collateral		1,219,769,000	754,986,000
Revolving Credit Facility \| 2/11/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		241,430,000
Debt Obligations Outstanding		0
Committed but Unfunded		241,430,000
Revolving Credit Facility \| 2/11/2018
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing			241,430,000
Debt Obligations Outstanding			0
Committed but Unfunded			241,430,000
Mortgage Loan Financing \| Various Dates
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		770,880,000	692,696,000
Debt Obligations Outstanding		770,880,000	692,696,000
Committed but Unfunded		0	0
Carrying Amount of Collateral		999,313,000	911,034,000
Fair Value of Collateral		$ 1,170,938,000	$ 1,066,708,000
Mortgage Loan Financing \| Various Dates \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.25%	4.25%
Mortgage Loan Financing \| Various Dates \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		6.75%	6.75%
CLO Debt \| Various Dates
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 685,416,000	$ 688,479,000
Debt Obligations Outstanding		685,416,000	688,479,000
Committed but Unfunded		0	0
Carrying Amount of Collateral		861,209,000	880,385,000	$ 431,500,000	$ 456,900,000
Fair Value of Collateral		861,356,000	881,576,000
Unamortized debt issuance costs		$ 4,500,000	$ 6,000,000
CLO Debt \| Various Dates \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		2.95%	2.36%
CLO Debt \| Various Dates \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		5.67%	5.08%
Participation Financing - Mortgage Loan Receivable
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		$ 2,600,000	$ 3,100,000
Participation Financing - Mortgage Loan Receivable \| 12/6/2018
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		2,647,000
Debt Obligations Outstanding		2,647,000
Committed but Unfunded		$ 0
Stated interest rate on debt instrument (as a percent)		17.00%
Carrying Amount of Collateral		$ 2,647,000
Fair Value of Collateral		2,647,000
Participation Financing - Mortgage Loan Receivable \| 6/6/2018
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing			3,107,000
Debt Obligations Outstanding			3,107,000
Committed but Unfunded			$ 0
Stated interest rate on debt instrument (as a percent)			17.00%
Carrying Amount of Collateral			$ 3,107,000
Fair Value of Collateral			3,107,000
Borrowings from the FHLB \| Various Dates
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		1,933,522,000	2,000,000,000
Debt Obligations Outstanding		1,270,000,000	1,370,000,000
Committed but Unfunded		663,522,000	630,000,000
Carrying Amount of Collateral		1,732,392,000	1,777,597,000
Fair Value of Collateral		1,733,058,000	1,783,210,000
Purchase, not reflected in consolidated financial statement		$ 9,700,000	$ 10,100,000
Borrowings from the FHLB \| Various Dates \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		1.02%	0.87%
Borrowings from the FHLB \| Various Dates \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		2.74%	2.74%
Senior Unsecured Notes
Assets Sold under Agreements to Repurchase [Line Items]
Unamortized debt issuance costs		$ 12,658,000
Senior Unsecured Notes \| Various Dates
Assets Sold under Agreements to Repurchase [Line Items]
Debt issued		1,166,201,000	$ 1,166,201,000
Senior Unsecured Notes		1,153,543,000	1,152,134,000
Committed but Unfunded		0	0
Unamortized debt issuance costs		$ 12,700,000	$ 14,100,000
Senior Unsecured Notes \| Various Dates \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Stated interest rate on debt instrument (as a percent)		5.25%	5.25%
Senior Unsecured Notes \| Various Dates \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Stated interest rate on debt instrument (as a percent)		5.875%	5.875%
Total Debt Obligations
Assets Sold under Agreements to Repurchase [Line Items]
Debt issued		$ 6,850,096,000	$ 6,841,913,000
Debt obligations		4,702,449,000	4,379,826,000
Committed but Unfunded		2,255,410,000	2,522,777,000
Carrying Amount of Collateral		4,815,236,000	4,325,547,000
Fair Value of Collateral		$ 4,987,768,000	$ 4,489,587,000