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v3.7.0.1

Debt Obligations, net (Schedule of Debt) (Details) - USD ($) $ / shares in Units, shares in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2016 | Mar. 31, 2012 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Aug. 31, 2016 | Mar. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 3,418,357,000 | $ 4,150,389,000 |  |  |
Debt discounts and deferred financing costs, net |  |  | (28,449,000) | (31,566,000) |  |  |
Total long-term debt obligations, net |  |  | 3,389,908,000 | 4,118,823,000 |  |  |
Conversion of senior unsecured convertible notes into common stock |  |  | 9,596,000 | 0 | $ 0 |  |
Interest costs capitalized |  |  | 5,800,000 | 5,300,000 | $ 4,900,000 |  |
2015 Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | 0 | 250,000,000 |  |  |
Debt instrument, face amount |  |  | $ 250,000,000 |  |  |  |
2015 Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 2.75% |  |  |  |
2015 Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Base Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 1.00% |  |  |  |
2015 Revolving Credit Facility | Federal Funds Effective Swap Rate | Base Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 0.50% |  |  |  |
2015 Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, margin |  |  | 2.25% |  |  |  |
2015 Revolving Credit Facility | Minimum | Base Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, margin |  |  | 1.25% |  |  |  |
2015 Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, margin |  |  | 2.75% |  |  |  |
2015 Revolving Credit Facility | Maximum | Base Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, margin |  |  | 1.75% |  |  |  |
2016 Senior Secured Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 498,648,000 | 0 |  |  |
Debt instrument, face amount | $ 450,000,000.0 |  |  |  |  | $ 500,000,000.0 |
Variable interest rate, spread |  |  | 1.00% |  |  |  |
2016 Senior Secured Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread | 4.50% |  | 4.50% |  |  |  |
2016 Senior Secured Credit Facility | Federal Funds Effective Swap Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 0.50% |  |  |  |
2016 Senior Secured Credit Facility | Minimum | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread | 1.00% |  | 1.00% |  |  |  |
2016 Senior Secured Credit Facility | Maximum | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 3.50% |  |  |  |
Mortgages collateralized by net lease assets |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 249,987,000 | $ 239,547,000 |  |  |
Weighted average interest rate |  |  | 5.10% |  |  |  |
Mortgages collateralized by net lease assets | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 2.00% | 2.00% |  |  |
Mortgages collateralized by net lease assets | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  | 3.875% |  |  |  |
Mortgages collateralized by net lease assets | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  | 7.26% |  |  |  |
2012 Tranche A-2 Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 0 | $ 339,717,000 |  |  |
Debt instrument, face amount |  | $ 470,000,000 |  |  |  |  |
Variable interest rate, spread |  |  | 5.75% |  |  |  |
2012 Tranche A-2 Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 5.75% |  |  |  |
Total secured credit facilities and mortgages |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 748,635,000 | 829,264,000 |  |  |
5.875% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 0 | 261,403,000 |  |  |
Stated interest rate (as a percent) |  |  | 5.875% |  |  |  | 5.875%
3.875% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 0 | 265,000,000 |  |  |
Stated interest rate (as a percent) |  |  | 3.875% |  |  |  |
3.00% senior convertible notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 0 | $ 200,000,000 |  |  |
Stated interest rate (as a percent) |  |  |  | 3.00% |  |  |
Convertible debt conversion ratio |  |  | 0.0085 |  |  |  |
Conversion price (in dollars per share) |  |  |  | $ 11.77 |  |  |
Conversion of senior unsecured convertible notes into common stock |  |  | $ 9,600,000 | $ 9,600,000 |  |  |
Shares of common stock converted (in shares) |  |  | 0.8 |  |  |  |
1.50% senior convertible notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 0 | $ 200,000,000 |  |  |
Stated interest rate (as a percent) |  |  |  | 1.50% |  |  |
Convertible debt conversion ratio |  |  | 0.00578 |  |  |  |
Conversion price (in dollars per share) |  |  |  | $ 17.29 |  |  |
5.85% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 99,722,000 | $ 99,722,000 |  |  |
Stated interest rate (as a percent) |  |  | 5.85% |  |  |  |
9.00% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 275,000,000 | 275,000,000 |  |  |
Stated interest rate (as a percent) |  |  | 9.00% |  |  |  |
4.00% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 550,000,000 | 550,000,000 |  |  |
Stated interest rate (as a percent) |  |  | 4.00% |  |  |  |
7.125% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 300,000,000 | 300,000,000 |  |  |
Stated interest rate (as a percent) |  |  | 7.125% |  |  |  |
4.875% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 300,000,000 | 300,000,000 |  |  |
Stated interest rate (as a percent) |  |  | 4.875% |  |  |  |
5.00% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 770,000,000 | 770,000,000 |  |  |
Stated interest rate (as a percent) |  |  | 5.00% |  |  |  |
6.50% senior notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 275,000,000 | 0 |  |  |
Stated interest rate (as a percent) |  |  | 6.50% |  |  |  | 6.50%
Unsecured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 2,569,722,000 | 3,221,125,000 |  |  |
Trust preferred securities |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total debt obligations |  |  | $ 100,000,000 | $ 100,000,000 |  |  |
Trust preferred securities | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  |  | 1.50% |  |  |  |
Term Loan for Remaining Balance After Maturity | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument term |  |  | 1 year |  |  |  |
2012 Tranche A-1 Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 410,000,000 |  |  |  |  |
Variable interest rate, spread |  |  | 4.00% |  |  |  |
2012 Tranche A-1 Facility | Minimum | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable interest rate, spread |  | 1.25% |  |  |  |  |

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