The Bonds that are subject to interest rate cap agreements.

No definition available.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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Amount of increase in the fair value of derivatives recognized in the income statement.

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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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Nominal or face amount used to calculate payment on derivative.

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Derivative Instruments and Hedging Activities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Derivative [Line Items]
Total return swap income	$ 2,154,000	$ 2,184,000	$ 6,174,000	$ 6,682,000
Multifamily Housing Mortgage Revenue Bonds [Member]
Derivative [Line Items]
Bond subject to interest rate caps	255,600,000		255,600,000
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, notional amount	$ 175,000,000.0		$ 175,000,000.0
Interest rate	2.30%		2.30%
Aggregate carrying value of the interest rate swap contracts, asset	$ 500,000		$ 500,000		$ 5,800,000
Designated as Hedging Instrument [Member] \| Interest Rate Cap [Member]
Derivative [Line Items]
Aggregate carrying value of the interest rate swap contracts, liability	0		0		0
Not Designated as Hedging Instrument [Member] \| Interest Rate Cap [Member]
Derivative [Line Items]
Derivative, notional amount	9,900,000		9,900,000
Not Designated as Hedging Instrument [Member] \| Total Return Swap, Callable [Member]
Derivative [Line Items]
Derivative, notional amount	255,600,000		255,600,000
Derivative, fair value, net	$ 0		$ 0		$ 0