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

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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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- 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

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)		3 Months Ended		12 Months Ended
	Jan. 04, 2018	Mar. 31, 2019 USD ($) Extension	Mar. 31, 2018 Extension	Dec. 31, 2018 USD ($) Extension	Dec. 27, 2018 USD ($)	Dec. 21, 2017 USD ($)	Oct. 17, 2017 USD ($)
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		$ 1,030,082,000		$ 663,686,000
Debt obligations		4,732,290,000
Carrying Amount of Collateral		0		0
Committed Loan Repurchase Facility
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		1,750,000,000		1,750,000,000	$ 100,000,000
Debt Obligations Outstanding		611,406,000		497,531,000
Committed but Unfunded		1,138,594,000		1,252,469,000
Carrying Amount of Collateral		902,725,000		744,310,000
Fair Value of Collateral		906,784,000		745,103,000
Length of additional extension maturity periods	1 year
Committed Loan Repurchase Facility \| 2/24/2022
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		600,000,000
Debt Obligations Outstanding		200,501,000
Committed but Unfunded		399,499,000
Carrying Amount of Collateral		278,295,000
Fair Value of Collateral		$ 277,743,000
Number of extension maturity periods \| Extension		2
Length of extension options		12 months
Committed Loan Repurchase Facility \| 2/24/2022 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.23%
Committed Loan Repurchase Facility \| 2/24/2022 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.73%
Committed Loan Repurchase Facility \| 5/24/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 350,000,000		350,000,000
Debt Obligations Outstanding		63,996,000		63,679,000
Committed but Unfunded		286,004,000		286,321,000
Carrying Amount of Collateral		93,537,000		87,385,000
Fair Value of Collateral		$ 95,234,000		$ 88,762,000
Committed Loan Repurchase Facility \| 5/24/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.70%		4.68%
Committed Loan Repurchase Facility \| 5/24/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		5.05%		4.98%
Committed Loan Repurchase Facility \| 4/10/2020
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 300,000,000
Debt Obligations Outstanding		109,811,000
Committed but Unfunded		190,189,000
Carrying Amount of Collateral		191,439,000
Fair Value of Collateral		$ 191,699,000
Number of additional extension maturity periods \| Extension		1
Additional length of period of extension options		364 days
Committed Loan Repurchase Facility \| 4/10/2020 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.48%
Committed Loan Repurchase Facility \| 4/10/2020 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.98%
Committed Loan Repurchase Facility \| 5/6/2021
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 300,000,000		$ 300,000,000
Debt Obligations Outstanding		117,275,000		79,886,000
Committed but Unfunded		182,725,000		220,114,000
Carrying Amount of Collateral		173,142,000		117,382,000
Fair Value of Collateral		$ 173,142,000		$ 117,366,000
Number of extension maturity periods \| Extension		1		1
Length of extension options		12 months		12 months
Number of additional extension maturity periods \| Extension		2		2
Length of additional extension maturity periods		6 months		6 months
Committed Loan Repurchase Facility \| 5/6/2021 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.50%		4.44%
Committed Loan Repurchase Facility \| 5/6/2021 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		5.00%		4.94%
Committed Loan Repurchase Facility \| 7/20/2021
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 100,000,000		$ 100,000,000
Debt Obligations Outstanding		54,893,000		52,738,000
Committed but Unfunded		45,107,000		47,262,000
Carrying Amount of Collateral		79,822,000		72,154,000
Fair Value of Collateral		$ 79,822,000		$ 72,154,000
Number of extension maturity periods \| Extension		1		1
Length of extension options		12 months		12 months
Committed Loan Repurchase Facility \| 7/20/2021 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.61%		4.58%
Committed Loan Repurchase Facility \| 7/20/2021 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.98%		4.96%
Committed Loan Repurchase Facility \| 12/26/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 100,000,000		$ 100,000,000
Debt Obligations Outstanding		64,930,000		0
Committed but Unfunded		35,070,000		100,000,000
Carrying Amount of Collateral		86,490,000		0
Fair Value of Collateral		$ 89,144,000		0
Committed Loan Repurchase Facility \| 12/26/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.48%
Committed Loan Repurchase Facility \| 12/26/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.73%
Committed Loan Repurchase Facility \| 3/4/2021 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		2.38%
Committed Loan Repurchase Facility \| 3/4/2021 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		3.39%
Committed Loan Repurchase Facility \| 4/7/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing				300,000,000
Debt Obligations Outstanding				120,631,000
Committed but Unfunded				179,369,000
Carrying Amount of Collateral				204,747,000
Fair Value of Collateral				$ 205,219,000
Number of extension maturity periods \| Extension				1
Length of extension options				364 days
Number of additional extension maturity periods \| Extension				1
Additional length of period of extension options				364 days
Committed Loan Repurchase Facility \| 4/7/2019 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate				4.46%
Committed Loan Repurchase Facility \| 4/7/2019 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate				4.96%
Committed Loan Repurchase Facility \| 10/1/2020
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing				$ 600,000,000
Debt Obligations Outstanding				180,597,000
Committed but Unfunded				419,403,000
Carrying Amount of Collateral				262,642,000
Fair Value of Collateral				$ 261,602,000
Number of extension maturity periods \| Extension				2
Length of extension options				12 months
Committed Loan Repurchase Facility \| 10/1/2020 \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate				4.21%
Committed Loan Repurchase Facility \| 10/1/2020 \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate				4.96%
Committed Securities Repurchase Facility
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 400,000,000
Committed Securities Repurchase Facility \| 3/4/2021
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		400,000,000
Debt Obligations Outstanding		93,849,000
Committed but Unfunded		306,151,000
Carrying Amount of Collateral		113,224,000
Fair Value of Collateral		113,224,000
Committed Securities Repurchase Facility \| 9/30/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing				$ 400,000,000
Debt Obligations Outstanding				0
Committed but Unfunded				400,000,000
Carrying Amount of Collateral				0
Fair Value of Collateral				0
Uncommitted Securities Repurchase Facility \| Various Date
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		324,827,000		166,154,000
Carrying Amount of Collateral		368,046,000		187,803,000
Fair Value of Collateral		368,046,000		187,803,000
Purchase, not reflected in consolidated financial statement		3,100,000		3,000,000
Securities phased in secondary market		$ 6,000,000		$ 6,000,000
Uncommitted Securities Repurchase Facility \| Various Date \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		3.08%		2.99%
Uncommitted Securities Repurchase Facility \| Various Date \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.23%		4.55%
Total Repurchase Facilities
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 2,150,000,000		$ 2,150,000,000
Debt Obligations Outstanding		1,030,082,000		663,685,000
Committed but Unfunded		1,444,745,000		1,652,469,000
Carrying Amount of Collateral		1,383,995,000		932,113,000
Fair Value of Collateral		$ 1,388,054,000		$ 932,906,000
Revolving Credit Facility \| 5/24/2019
Assets Sold under Agreements to Repurchase [Line Items]
Number of extension maturity periods \| Extension		2		2
Length of extension options		12 months		12 months
Revolving Credit Facility \| 2/11/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 266,430,000		$ 266,430,000
Debt Obligations Outstanding		0		0
Committed but Unfunded		$ 266,430,000		266,430,000
Length of extension options		12 months
Number of additional extension maturity periods \| Extension		3
Revolving Credit Facility \| 2/11/2018
Assets Sold under Agreements to Repurchase [Line Items]
Number of extension maturity periods \| Extension			3
Length of extension options			12 months
Mortgage Loan Financing \| Various Date
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 739,500,000		743,902,000
Debt Obligations Outstanding		739,500,000		743,902,000
Committed but Unfunded		0		0
Carrying Amount of Collateral		931,275,000		939,362,000
Fair Value of Collateral		$ 1,110,970,000		$ 1,108,968,000
Mortgage Loan Financing \| Various Date \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		4.25%		4.25%
Mortgage Loan Financing \| Various Date \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		7.00%		7.00%
CLO Debt \| Various Date
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		$ 497,334,000		$ 601,543,000
Debt Obligations Outstanding		497,334,000		601,543,000
Committed but Unfunded		0		0
Carrying Amount of Collateral		680,031,000		710,502,000		$ 431,500,000	$ 456,900,000
Fair Value of Collateral		680,452,000		710,737,000
Unamortized debt issuance costs		$ 1,900,000		$ 2,600,000
CLO Debt \| Various Date \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		3.36%		3.34%
CLO Debt \| Various Date \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		6.08%		6.06%
Participation Financing - Mortgage Loan Receivable
Assets Sold under Agreements to Repurchase [Line Items]
Debt Obligations Outstanding		$ 2,400,000		$ 2,500,000
Participation Financing - Mortgage Loan Receivable \| 6/6/2019
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		2,393,000		2,453,000
Debt Obligations Outstanding		2,393,000		2,453,000
Committed but Unfunded		$ 0		$ 0
Stated interest rate on debt instrument (as a percent)		17.00%		17.00%
Carrying Amount of Collateral		$ 2,393,000		$ 2,453,000
Fair Value of Collateral		2,393,000		2,453,000
Borrowings from the FHLB \| Various Date
Assets Sold under Agreements to Repurchase [Line Items]
Committed Financing		1,945,795,000		1,933,522,000
Debt Obligations Outstanding		1,291,449,000		1,286,000,000
Committed but Unfunded		654,346,000		647,522,000
Carrying Amount of Collateral		1,608,381,000		1,652,952,000
Fair Value of Collateral		1,618,235,000		1,655,150,000
Purchase, not reflected in consolidated financial statement		$ 10,000,000		$ 9,700,000
Borrowings from the FHLB \| Various Date \| Minimum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		1.47%		1.18%
Borrowings from the FHLB \| Various Date \| Maximum
Assets Sold under Agreements to Repurchase [Line Items]
Interest rate		3.08%		3.01%
Senior Unsecured Notes
Assets Sold under Agreements to Repurchase [Line Items]
Unamortized debt issuance costs		$ 10,509,000
Senior Unsecured Notes \| Various Date
Assets Sold under Agreements to Repurchase [Line Items]
Debt issued		1,166,201,000		$ 1,166,201,000
Senior Unsecured Notes		1,155,692,000		1,154,991,000
Committed but Unfunded		0		0
Unamortized debt issuance costs		$ 10,500,000		$ 11,200,000
Senior Unsecured Notes \| Various Date \| 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 Date \| 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		$ 6,783,493,000		$ 6,864,051,000
Debt obligations		4,732,290,000		4,452,574,000
Committed but Unfunded		2,365,521,000		2,566,421,000
Carrying Amount of Collateral		4,621,579,000		4,237,382,000
Fair Value of Collateral		4,815,608,000		$ 4,410,214,000
Secured And Unsecured Debt Obligations [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Debt issued		6,767,653,000
Debt obligations		4,716,450,000
Committed but Unfunded		2,365,521,000
Carrying Amount of Collateral		4,606,075,000
Fair Value of Collateral		4,800,104,000
Liability For Transfers Not Considered Sales
Assets Sold under Agreements to Repurchase [Line Items]
Debt issued		15,840,000
Debt obligations		15,840,000
Committed but Unfunded		$ 0
Stated interest rate on debt instrument (as a percent)		5.29%
Carrying Amount of Collateral		$ 15,504,000
Fair Value of Collateral		$ 15,504,000