Summary of Significant Accounting Policies - Adjustment to Rental Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Adjustment to rental revenue	$ 168	$ 0	$ 5,673	$ 25

Amount of the adjustment to rental revenues to measure escalating leasing revenues on a straight line basis.

No definition available.

Name:	us-gaap_StraightLineRentAdjustments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration