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Fair Value Disclosures - Summary of Carrying Amount and Fair Value of Fixed and Floating Rate Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Fair Value, Option, Quantitative Disclosures [Line Items]    
Carrying amount $ 12,492 $ 6,995
Unobservable Inputs (Level 3 Inputs) [Member]    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Carrying amount 12,492 6,311
Fair value $ 12,024 $ 6,136