v3.20.2

Unsecured Credit Agreements - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2020 | Feb. 07, 2020 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | $ 60,000 |  |  |  |
Cost of debt extinguishment |  |  | $ 0 | $ (8) | $ (22) | $ (721)
Other Nonoperating Income (Expense) |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Cost of debt extinguishment |  |  |  |  |  | 215
Interest Rate Swap |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Weighted average interest rate on all outstanding borrowings | 2.45% |  | 2.45% |  | 2.45% |
Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Commitment fee percentage | 0.25% |  |  |  |  |
2022 Unsecured Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | $ 60,000 |  |  |  |
Maturity date |  | Feb. 28, 2022 |  |  |  |
2022 Unsecured Term Loan | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate | 1.25% |  |  |  |  |
2022 Unsecured Term Loan | LIBOR | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  | 0.85% |  |  |  |
2022 Unsecured Term Loan | LIBOR | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  | 1.65% |  |  |  |
2026 Unsecured Term Loan and Unsecured Revolving Credit and Term Loan Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt issuance costs incurred |  |  |  |  |  | 5,229
New Debt Agreements |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  | $ 5,229

X
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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