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Cash and Cash Equivalents and Fair Value of Financial Instruments - Narrative (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2016
--- | --- | --- | ---
Cash and Cash Equivalents [Line Items] |  |  |
Cash and cash equivalents | $ 127,210,000 | $ 67,192,000 |
Interest Rate Swap |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Notional amount |  |  | $ 100,000,000.0
Fixed interest rate |  |  | 0.80%
Fair value of derivative |  | $ 562,000 |
Interest Rate Swap | LIBOR |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Variable rate floor |  |  | 0.00%

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