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Long-Term Debt - Notes Narrative (Details) - USD ($) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 10, 2017 | Dec. 31, 2019 | Dec. 31, 2017 | Dec. 31, 2018 | Mar. 27, 2017 | May 09, 2013
Debt Instrument [Line Items] |  |  |  |  |  |
Loss on Debt Redemption 5 Percent Notes |  | $ 6,700,000 |  |  |  |
Outstanding mortgage principal balance |  | 714,968,000 |  | $ 956,017,000 |  |
Double Carry Interest |  | $ (500,000) | $ 700,000 |  |  |
Mortgage notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt weighted average interest rate on note |  | 4.36% |  |  |  |
Outstanding mortgage principal balance |  | $ 355,900,000 |  |  |  |
6.125% Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated interest rate on debt agreement | 6.125% | 6.125% |  | 6.125% |  |
Principal amount | $ 250,000,000.0 |  |  |  |  |
Notes issued at a price of principal amount | 100.00% |  |  |  |  |
Redemption Price |  | 106.125% |  |  |  |
Notes redemption price percentage of the par value due to change of control | 101.00% |  |  |  |  |
Debt instrument maximum allowed dividends per share (usd per share) | $ 0.12 |  |  |  |  |
Outstanding principal amount of the 6.125% notes | 25.00% |  |  |  |  |
6.125% Notes | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes redemption price percentage of the principal amount |  | 35.00% |  |  |  |
6.125% Notes | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Indebtedness with outstanding balance under other agreements |  | $ 50,000,000.0 |  |  |  |
7.0% Senior Subordinated Notes due 2022 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated interest rate on debt agreement |  |  |  |  | 7.00% |
5.0% Senior Subordinated Notes due 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated interest rate on debt agreement |  |  |  |  |  | 5.00%
Principal amount |  |  |  |  |  | $ 300,000,000.0
Outstanding notes repurchased amount |  | 289,300,000 | 10,700,000 |  |  |
Repurchase amount paid in cash, plus accrued and unpaid interest related thereto |  | $ 295,900,000 | $ 10,600,000 |  |  |
2019 Mortgage Facility [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption Price |  | 1.667% |  |  |  |

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