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Debt - Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 31, 2021 | Aug. 31, 2020 | Jun. 30, 2021 | Dec. 31, 2021 | Mar. 31, 2022 | Dec. 31, 2019 | Oct. 31, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Sep. 30, 2017 | Jul. 31, 2016 | May 31, 2015 | Nov. 18, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  |  | $ 1,862,428 |  |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Reimbursement Agreement, Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,000
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  |  | 320,000 |  |  |  |  |  |  |  |
Mortgages [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | $ 32,635 | 32,428 |  |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  |  |  |  | $ 38,700 |  |  |  |  |  |  |  |
Long-term Debt, Weighted Average Interest Rate |  |  |  | 4.16% | 4.04% |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | $ 1,510,000 | $ 1,510,000 |  |  |  |  |  |  |  |
Amount of gain (loss) on early extinguishment of debt |  |  | $ 14,600 |  |  |  |  |  |  |  |  |  |
Swap Termination Costs |  |  | 13,400 |  |  |  |  |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  | $ 1,200 |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | 1,000,000 |  | $ 500,000 |  |  |  |  |  |  |
Debt Instrument, Accordion Option Additional Lender Commitments, Maximum |  |  |  | $ 1,750,000 |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | Revolving Credit Facility [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate |  |  |  | 0.775% |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | Revolving Credit Facility [Member] | Minimum [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate |  |  |  | 0.725% |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | Revolving Credit Facility [Member] | Maximum [Member] | LIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Spread on variable rate |  |  |  | 1.40% |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | Senior Unsecured Note 2025 and 2027 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |
Senior Unsecured Debt [Member] | 2025 Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | $ 50,000 | 50,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  | $ 50,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  | 4.16% |
Senior Unsecured Debt [Member] | 2027 Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | 50,000 | 50,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  | $ 50,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  | 4.26% |
Senior Unsecured Debt [Member] | 2028 Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | 60,000 | 60,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 350,000 |  |  |  |  |  |  |  |  |  | $ 60,000 |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.00% |  |  |  |  |  |  |  |  |  | 4.42% |  |
Senior Unsecured Debt [Member] | 2028 Senior Unsecured Notes [Member] | Blended All-In Including Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 350,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 2.11% |  |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2029 Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | 100,000 | 100,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  | 4.19% |  |  |
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | 125,000 | 125,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  | $ 125,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 4.32% |  |  |  |
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Notes [Member] | Interest rate swap |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payment on Termination on Agreement |  | $ 23,400 |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Public Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | 350,000 | 350,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 350,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 2.90% |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Public Notes [Member] | Interest rate swap |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Notional Amount, Terminated |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Public Notes [Member] | Blended All-In Including Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 350,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 3.49% |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2031 Senior Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | 125,000 | 125,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 125,000 | $ 100,000 |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  | 4.47% | 4.41% |  |  |  |  |
Senior Unsecured Debt [Member] | 2031 Senior Unsecured Notes [Member] | Blended All-In Including Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  | $ 125,000 |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  | 4.42% |  |  |  |  |
Senior Unsecured Debt [Member] | 2033 Senior Unsecured Public Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  | $ 300,000 | $ 300,000 |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.60% |  |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2033 Senior Unsecured Public Notes [Member] | Interest rate swap |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Notional Amount, Terminated | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Termination | 16,700 |  |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2033 Senior Unsecured Public Notes [Member] | Blended All-In Including Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 2.13% |  |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2024 Term Loan Facility One [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | 65,000 |  |  |  |  |  |  |
Senior Unsecured Debt [Member] | 2024 Term Loan Facility Two [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 35,000 |  |  |  |  |  |  |

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