Disclosure about Fair Value of Financial Instruments - Summary of Items Measured at Fair Value on a Recurring Basis (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 10,617
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	94,059
Redeemable OP unitholder interests	134,610
Totals	239,286
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	10,617
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	0
Redeemable OP unitholder interests	0
Totals	10,617
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	94,059
Redeemable OP unitholder interests	134,610
Totals	228,669
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	0
Redeemable OP unitholder interests	0
Totals	$ 0