Investments in Unconsolidated Entity (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments in Unconsolidated Joint Ventures
Assets	$ 4,334,589	$ 3,898,572
Liabilities	2,085,776	2,313,874
Joint venture with Alinda
Investments in Unconsolidated Joint Ventures
Equity method investments	$ 12,400	22,600
Ownership interest (as a percent)	50.00%
Joint venture with Alinda
Investments in Unconsolidated Joint Ventures
Lease term of facility with global cloud-based software company			10 years
Assets	$ 157,300	141,500
Liabilities	$ 118,000	$ 90,100

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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