Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing Number of Contracts

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- Definition

Financing Receivable, before Allowance for Credit Loss, Individually Impaired Loans

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- Definition

Financing Receivable, before Allowance for Credit Loss, Subtotal

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- Definition

Amount of financing receivable originated five or more years prior to latest fiscal year.

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- Definition

Amount of financing receivable originated four years prior to latest fiscal year.

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- Definition

Amount of financing receivable originated in fiscal year prior to latest fiscal year.

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- Definition

Amount of financing receivable originated three years prior to latest fiscal year.

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Amount of financing receivable originated two years prior to latest fiscal year.

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- Definition

Amount of financing receivable 90 days or more past due and still accruing.

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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.

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- Definition

Amount, before allowance for credit loss, of financing receivable.

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MORTGAGE LOAN RECEIVABLES - Individually Impaired Loans (Details) $ in Thousands		3 Months Ended		12 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2020 USD ($) loan	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($)	Dec. 31, 2016 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 3,453,892	$ 3,453,892
Subtotal loans		3,372,576	3,372,576
Individually impaired loans		81,316	81,316
2019		291,604	291,604
2018		1,319,593	1,319,593
2017		1,020,543	1,020,543
2016		322,563	322,563
Prior to 2016		418,273	418,273
Total mortgage loan receivables held for investment, net, at amortized cost
Financing Receivable, Credit Quality Indicator [Line Items]
Loans in default, carrying value		61,500	$ 61,500		$ 45,000
One Company Loan \| Total mortgage loan receivables held for investment, net, at amortized cost
Financing Receivable, Credit Quality Indicator [Line Items]
Number or loans in default	1		1	1	1	1
Loans in default, carrying value	$ 5,900	$ 4,100	$ 4,100		$ 4,100	$ 5,900
Two Company Loans \| Total mortgage loan receivables held for investment, net, at amortized cost
Financing Receivable, Credit Quality Indicator [Line Items]
Number or loans in default		2	2		2
Loans in default, carrying value		$ 26,900	$ 26,900	$ 26,900	$ 46,400
Northeast
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		966,468	966,468
Southwest
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		660,635	660,635
Midwest
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		640,633	640,633
South
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		547,812	547,812
West
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		557,028	557,028
Multifamily
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		1,046,253	1,046,253
Office
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		854,808	854,808
Hospitality
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		386,487	386,487
Mixed Use
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		423,002	423,002
Retail
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		247,958	247,958
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		105,879	105,879
Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		174,098	174,098
Manufactured Housing
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		82,666	82,666
Self-Storage
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 51,425	$ 51,425