v3.19.3.a.u2

Summary of Significant Accounting Policies - Summary of Debt Issuance Costs on Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Unsecured Revolving Credit Facility |  |
Debt Issuance Costs Net Alternative [Line Items] |  |
Debt issuance costs | $ 4,692 | $ 3,431
Less accumulated amortization | (2,312) | (1,170)
Debt issuance costs, net | 2,380 | 2,261
Mortgage And Notes Payable |  |
Debt Issuance Costs Net Alternative [Line Items] |  |
Debt issuance costs | 667 | 834
Less accumulated amortization | (309) | (335)
Debt issuance costs, net | 358 | 499
Unsecured Term Notes |  |
Debt Issuance Costs Net Alternative [Line Items] |  |
Debt issuance costs | 9,898 | 6,997
Less accumulated amortization | (1,979) | (2,770)
Debt issuance costs, net | $ 7,919 | $ 4,227

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