Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Derivative assets:
Derivative assets	$ 195	$ 263
Fair Value Measurements Recurring
Derivative assets:
Counterparty and Cash Collateral Netting	0	0
Derivative assets	195	263
Liabilities
Net	(42,207)
Fair Value Measurements Recurring \| Interest rate derivatives - floors
Derivative assets:
Counterparty and Cash Collateral Netting	0	0
Derivative assets	192	263
Fair Value Measurements Recurring \| Interest rate derivatives - caps
Derivative assets:
Counterparty and Cash Collateral Netting	0
Derivative assets	3
Fair Value Measurements Recurring \| Embedded debt derivative
Liabilities
Counterparty and Cash Collateral Netting	0
Derivative liabilities	(42,402)
Fair Value Measurements Recurring \| Quoted Market Prices (Level 1)
Derivative assets:
Derivative assets	0	0
Liabilities
Net	0
Fair Value Measurements Recurring \| Quoted Market Prices (Level 1) \| Interest rate derivatives - floors
Derivative assets:
Derivative assets	0	0
Fair Value Measurements Recurring \| Quoted Market Prices (Level 1) \| Interest rate derivatives - caps
Derivative assets:
Derivative assets	0
Fair Value Measurements Recurring \| Quoted Market Prices (Level 1) \| Embedded debt derivative
Liabilities
Derivative liabilities	0
Fair Value Measurements Recurring \| Significant Other Observable Inputs (Level 2)
Derivative assets:
Derivative assets	195	263
Liabilities
Net	195
Fair Value Measurements Recurring \| Significant Other Observable Inputs (Level 2) \| Interest rate derivatives - floors
Derivative assets:
Derivative assets	192	263
Fair Value Measurements Recurring \| Significant Other Observable Inputs (Level 2) \| Interest rate derivatives - caps
Derivative assets:
Derivative assets	3
Fair Value Measurements Recurring \| Significant Other Observable Inputs (Level 2) \| Embedded debt derivative
Liabilities
Derivative liabilities	0
Fair Value Measurements Recurring \| Significant Unobservable Inputs (Level 3)
Derivative assets:
Derivative assets	0	0
Liabilities
Net	(42,402)
Fair Value Measurements Recurring \| Significant Unobservable Inputs (Level 3) \| Interest rate derivatives - floors
Derivative assets:
Derivative assets	0	$ 0
Fair Value Measurements Recurring \| Significant Unobservable Inputs (Level 3) \| Interest rate derivatives - caps
Derivative assets:
Derivative assets	0
Fair Value Measurements Recurring \| Significant Unobservable Inputs (Level 3) \| Embedded debt derivative
Liabilities
Derivative liabilities	$ (42,402)

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