Secured and unsecured senior debt Interest expense (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||||||
---|---|---|---|---|---|---|---|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
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Interest expense incurred | |||||||
Gross interest | $ 126,404 | $ 128,567 | $ 131,935 | ||||
Capitalized interest | (47,105) | (60,615) | (62,751) | ||||
Interest expense | $ 79,299 | $ 67,952 | [1] | $ 69,184 | [1] | ||
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