Risk Management and Use of Derivative Financial Instruments - Narratives (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Derivative
Cash collateral posted	$ 0	$ 0
Derivative instrument remaining maturity period	72 months
Collateral received	$ 0
Total credit exposure	1,600,000
Derivative in net liability position	4,800,000	2,100,000
Termination value of assets	5,100,000	$ 2,200,000
Individual Counterparty
Derivative
Total credit exposure	900,000
Interest expense
Derivative
Estimated amount of derivative gain (loss) to be reclassified in the next 12 months	(2,000,000.0)
Other income
Derivative
Estimated amount of derivative gain (loss) to be reclassified in the next 12 months	$ 1,200,000