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v3.21.1

DEBT (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) Integer | Dec. 31, 2020 USD ($)
Loans Payable, Noncurrent [Abstract] |  |  |
Secured Debt |  | $ 36,783,000 | $ 78,993,000
Unsecured Debt |  | 1,157,642,000 | 1,107,708,000
Unsecured bank credit facilities |  | 91,638,000 | 124,194,000
Total debt |  | 1,286,063,000 | 1,310,895,000
Secured and unsecured debt [Member] |  |  |
Payments of principal over future years [Abstract] |  |  |
Remainder of 2021 |  | 42,016,000 |
2022 |  | 107,770,000 |
2023 |  | 115,119,000 |
2024 |  | 120,122,000 |
2025 |  | 145,128,000 |
2026 and beyond |  | 666,673,000 |
Long-term debt, maturities, secured debt and unsecured debt |  | $ 1,196,828,000 |
$50 million senior unsecured term loan (2021) |  |  |
Secured and Unsecured Debt [Line Items] |  |  |
Debt Instrument, Term |  | 4 years |
Debt Instrument, Interest Rate, Effective Percentage |  | 1.55% |
Debt Instrument, Basis Spread on Variable Rate |  | 1.00% |
Unsecured debt, carrying amount |  | $ 50,000,000 |
Mortgage loan, repaid during period |  |  |
Secured and Unsecured Debt [Line Items] |  |  |
Secured debt, carrying amount repaid |  | $ 40,800,000 |
Fixed interest rate |  | 4.75% |
$125 million senior unsecured private placement notes (2021) |  |  |
Secured and Unsecured Debt [Line Items] |  |  |
Debt Instrument, Term |  | 10 years |
Fixed interest rate |  | 2.74% |
Unsecured debt, carrying amount |  | $ 125,000,000 |
Unsecured bank credit facilities |  |  |
Loans Payable, Noncurrent [Abstract] |  |  |
Unsecured bank credit facilities - variable rate, carrying amount |  | 92,318,000 | 125,000,000
Unamortized debt issuance costs |  | (680,000) | (806,000)
Unsecured bank credit facilities |  | 91,638,000 | 124,194,000
Unsecured Debt [Member] |  |  |
Secured and Unsecured Debt [Line Items] |  |  |
Unsecured debt, carrying amount | [1] | 1,160,000,000 | 1,110,000,000
Loans Payable, Noncurrent [Abstract] |  |  |
Unamortized debt issuance costs |  | (2,358,000) | (2,292,000)
Unsecured Debt |  | 1,157,642,000 | 1,107,708,000
Secured Debt [Member] |  |  |
Loans Payable, Noncurrent [Abstract] |  |  |
Secured debt-fixed rate, carrying amount | [1] | 36,828,000 | 79,096,000
Unamortized debt issuance costs |  | (45,000) | (103,000)
Secured Debt |  | $ 36,783,000 | $ 78,993,000
Pnc Na Unsecured revolving credit facility [Member] | Credit facility obtained in 2018 - $45 million [Member] |  |  |
Secured and Unsecured Debt [Line Items] |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 1.111% |
Line of Credit Facility, Current Borrowing Capacity |  | $ 45,000,000 |
Debt instrument, basis spread above LIBOR variable rate |  | 100 |
Line of credit, facility fee (in basis points) |  | 20 |
Debt Instrument, Maturity Date, Description |  | July 30, 2022 |
Extension option on credit facility |  | two six-month extensions |
Loans Payable, Noncurrent [Abstract] |  |  |
Unsecured bank credit facilities - variable rate, carrying amount |  | $ 7,318,000 |
Nine bank group unsecured revolving credit facility [Member] | Bank credit facility obtained in 2018 - $350 million [Member] |  |  |
Secured and Unsecured Debt [Line Items] |  |  |
Line of Credit Facility, Interest Rate at Period End |  | 1.108% |
Letters of Credit Outstanding, Amount |  | $ 674,000 |
Line of Credit Facility, Current Borrowing Capacity |  | $ 350,000,000 |
Number of banks included in the unsecured revolving credit facility | Integer |  | 9 |
Debt instrument, basis spread above LIBOR variable rate |  | 100 |
Line of credit, facility fee (in basis points) |  | 20 |
Debt Instrument, Maturity Date, Description |  | July 30, 2022 |
Extension option on credit facility |  | two six-month extensions |
Expansion option on credit facility |  | $ 150,000,000 |
Loans Payable, Noncurrent [Abstract] |  |  |
Unsecured bank credit facilities - variable rate, carrying amount |  | $ 85,000,000 |
[1] | These loans have a fixed interest rate or an effectively fixed interest rate due to interest rate swaps.

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