Derivative Instruments - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Mar. 08, 2018 |
|
Derivative [Line Items] | ||||
Interest and other income, net | $ 46,815 | $ 26,380 | $ 10,331 | |
Interest rate cap | LIBOR | ||||
Derivative [Line Items] | ||||
Interest and other income, net | 300 | |||
Derivative, cap interest rate | 2.50% | |||
Cash flow hedging | Designated as hedging instrument | Interest rate swap contracts | ||||
Derivative [Line Items] | ||||
Amount of hedged item | $ 167,800 | |||
Cash flow hedging | Designated as hedging instrument | Interest rate swap contracts | 1735 Market Street | Mortgage notes | ||||
Derivative [Line Items] | ||||
Interest and other income, net | $ 200 | |||
Cash flow hedging | Designated as hedging instrument | Interest rate cap | ||||
Derivative [Line Items] | ||||
Derivative, notional amount | $ 400,000 |