Commitments and Contingencies - Schedule of Contractual Obligation (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Other Commitments [Line Items]
Commitments	$ 386,302
Construction loan commitments
Other Commitments [Line Items]
Commitments	25,050
Lease and other commitment
Other Commitments [Line Items]
Commitments	123,957
Development commitments
Other Commitments [Line Items]
Commitments	237,295
Allowance for tenant improvement
Other Commitments [Line Items]
Commitments	$ 88,000