Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Dec. 31, 2020 |
|
| Control Agreements For Interest And Fee Payments | ||
| Long Lived Assets Held-for-sale [Line Items] | ||
| Restricted cash | $ 34.0 | |
| Standby Letters of Credit | Line of Credit | ||
| Long Lived Assets Held-for-sale [Line Items] | ||
| Line of credit facility, maximum borrowing capacity | 30.0 | |
| Proceeds from lines of credit | 24.4 | |
| Fair Value, Recurring | ||
| Long Lived Assets Held-for-sale [Line Items] | ||
| Assets held for sale | $ 2.3 | $ 2.3 |