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Long-Term Debt - Notes Narrative (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 10, 2017 | Mar. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |
Debt Instrument Percentage Of Outstanding Principal Amount Redeemable Upon Event Of Default |  | 25.00% |
Debt outstanding |  | $ 919,191,000 | $ 714,968,000
Maximum Borrowing 2019 Mortgage Facility |  | $ 112,200,000 |
Mortgage notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt weighted average interest rate on note |  | 4.01% |
Debt outstanding |  | $ 350,100,000 |
5.0% Notes |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate |  | 5.00% |
6.125% Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes Redemption Price Percentage Of Par Value Due To Change Of Control | 101.00% |  |
Stated interest rate | 6.125% | 6.125% |
Principal amount | $ 250,000,000.0 |  |
Notes issued, percent of principal | 100.00% |  |
Maximum dividend (usd per share) |  | $ 0.12 |
2019 Mortgage Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate |  | 2.50% |
Long Term Debt Prepayment |  | $ 500,000 |
Debt Instrument, Unused Borrowing Capacity, Amount |  | $ 3,100,000 |
Debt Instrument Maximum Allowed Dividends Per Share |  | $ 0.10 |
Percent of Collateralized Real Estate |  | 75.00% |
Minimum | 5.0% Notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument Other Outstanding Indebtedness In Excess |  | $ 50,000,000.0 |
Minimum | 2019 Mortgage Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.50% |
Debt Instrument, Basis Spread LIBOR |  | 1.50% |
Maximum | 2019 Mortgage Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.75% |
Debt Instrument, Basis Spread LIBOR |  | 2.75% |

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- Definition Maximum amount per share the entity may pay as quarterly cash dividends on common stock as permitted by the indenture governing the entity's debt obligation. + References No definition available. + Details
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- Definition Minimum amount of outstanding indebtedness the entity or its subsidiaries must have under other agreements in order to allow an acceleration of the entity's debt obligation if certain events of default occur. + References No definition available. + Details
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- Definition Percentage of the outstanding principal amount of the entity's debt obligation that holders may accelerate if certain events of default occur. + References No definition available. + Details
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- Definition Long Term Debt Prepayment + References No definition available. + Details
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- Definition Maximum Borrowing 2019 Mortgage Facility + References No definition available. + Details
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- Definition The aggregate amount to be paid by the entity upon a "change of control" as defined in the indenture, expressed as a percentage of the par value of the debt obligation. + References No definition available. + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
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