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Summary of Fair Value of Financial Instruments - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Maximum maturity term of financial assets 90 days  
Indebtedness, Carrying value $ 1,140,000 $ 1,065,000
Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total indebtedness fair value variance from carrying value (as a percent) 90.80% 94.30%
Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total indebtedness fair value variance from carrying value (as a percent) 100.40% 104.20%