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v3.21.1

Debt (Schedule of Cash and Non-Cash Interest Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Debt Instrument [Line Items] |  |
Cash Interest | $ 90,095 | $ 95,851
Non-cash Interest | $ 11,804 | 2,406
Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 1.59% |
Cash Interest | $ 2,148 | 2,714
2018 Term Loan [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 1.872% |
Cash Interest | $ 10,997 | 22,203
Non-cash Interest | $ 11,434 | 2,022
Blended rate | 1.872% |
Accruing interest rate | 1.86% |
2013-2C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.722% |
Cash Interest | $ 5,396 | 5,396
2014-2C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.869% |
Cash Interest | $ 6,046 | 6,046
2015-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.156% |
Cash Interest |  | 3,985
2016-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 2.877% |
Cash Interest |  | 5,090
2017-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.168% |
Cash Interest | $ 6,085 | 6,085
2018-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.448% |
Cash Interest | $ 5,570 | 5,570
2019-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 2.836% |
Cash Interest | $ 8,357 | 8,357
2020-1C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 1.884% |
Cash Interest | $ 3,598 |
2020-2C Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 2.328% |
Cash Interest | $ 3,540 |
2014 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 4.875% |
Cash Interest |  | 3,352
Non-cash Interest |  | 112
2016 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 4.875% |
Cash Interest | $ 13,406 | 13,406
Non-cash Interest | $ 286 | 272
2017 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 4.00% |
Cash Interest | $ 2,333 | 7,500
2020 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.875% |
Cash Interest | $ 14,531 | 6,135
Non-cash Interest | $ 84 |
2021 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest Rates as of March 31, 2021 | 3.125% |
Cash Interest | $ 8,073 |
Other [Member] |  |
Debt Instrument [Line Items] |  |
Cash Interest | 15 | $ 12
Interest Rate Swap [Member] | 2018 Term Loan [Member] |  |
Debt Instrument [Line Items] |  |
Notional amount | $ 1,950,000 |
Derivative fixed interest rate | 1.874% |
Interest Rate Swap [Member] | London Interbank Offered Rate (LIBOR) [Member] | 2018 Term Loan [Member] |  |
Debt Instrument [Line Items] |  |
Derivative basis spread on variable interest rate | 1.75% |

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