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Derivative Instruments (Tables)
3 Months Ended
Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments
The following table summarizes the interest rate derivatives we entered into over the applicable periods:
Three Months Ended March 31,
Interest rate caps:(1)
20212020
Notional amount (in thousands)$192,500 $167,500 
Strike rate low end of range0.75 %3.00 %
Strike rate high end of range3.00 %3.50 %
Effective date rangeJanuary 2021- March 2021March 2020
Termination date rangeSeptember 2021- April 2022April 2021
Total cost of interest rate caps (in thousands)$20 $38 
_______________
(1)    No instruments were designated as cash flow hedges.
Interest rate derivatives consisted of the following:
Interest rate caps: (1)
March 31, 2021December 31, 2020
Notional amount (in thousands)$917,500 $779,000 
Strike rate low end of range0.75 %3.00 %
Strike rate high end of range4.00 %4.00 %
Termination date rangeApril 2021 - April 2022February 2021 - October 2021
Aggregate principal balance on corresponding mortgage loans (in thousands)$725,000 $779,000 
_______________
(1)No instruments were designated as cash flow hedges.