The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 944
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services.

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Real Estate Loans Receivable (Narrative) (Details)		12 Months Ended
Real Estate Loans Receivable (Narrative) (Details)	Oct. 01, 2016 loan	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) loan	Dec. 31, 2015 USD ($)
Financing Receivable, Modifications [Line Items]
Loan term		2 years
Provision for loan losses related to three Genesis real estate loans		$ 0	$ 62,966,000	$ 6,935,000
Loan paid off		180,830,000	96,023,000	249,552,000
Allowance for loan losses		68,372,000	68,372,000	6,563,000	$ 0
Real estate loans with outstanding balances		2,567,000
Triple-net
Financing Receivable, Modifications [Line Items]
Loan paid off		165,830,000	$ 96,023,000	$ 237,262,000
Genesis Healthcare Four Restructured Loans \| Triple-net
Financing Receivable, Modifications [Line Items]
Loan term			5 years
Interest rate			10.00%
Basis spread on variable rate			0.25%
Genesis Healthcare Loans
Financing Receivable, Modifications [Line Items]
Restructured real estate loans \| loan	4			2
Genesis Healthcare Loans \| Triple-net
Financing Receivable, Modifications [Line Items]
Long-term debt				$ 317,000,000
Provision for loan losses related to three Genesis real estate loans		0	$ 62,966,000	$ 6,935,000
Loan paid off		85,289,000
Allowance for loan losses		$ 68,372,000