Financial Instruments and Fair Value Measurements - Schedule of Derivative Financial Instruments (Parenthetical) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) derivative	Dec. 31, 2019 USD ($)	Jul. 31, 2020 USD ($)
Derivatives, Fair Value [Line Items]
Fair value, liability derivatives	$ (90,139)	$ (39,061)
Core Portfolio
Derivatives, Fair Value [Line Items]
Derivative, notional amount	572,148
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 50,000		$ 30,400
Interest Rate Swaps | Core Portfolio | February 2020 Swap One Acquisition
Derivatives, Fair Value [Line Items]
Number of derivative instruments held | derivative	1
Fair value, liability derivatives	$ (1,800)
Derivative Effective Date		2022-04
Derivative, notional amount	$ 50,000
Interest Rate Swaps | Core Portfolio | February 2020 Swap Two Acquisition
Derivatives, Fair Value [Line Items]
Number of derivative instruments held | derivative	1
Fair value, liability derivatives	$ (1,300)
Derivative Effective Date	2023-04
Derivative, notional amount	$ 50,000
Interest Rate Swaps | Core Portfolio | November 2020 Swap Three Acquisition
Derivatives, Fair Value [Line Items]
Number of derivative instruments held | derivative	1
Fair value, liability derivatives	$ 0
Derivative Effective Date	2021-01
Derivative, notional amount	$ 0