Amount of the cost of borrowed funds accounted for as interest expense.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash outflow associated with the repurchase of amount received from entity's raising of capital via private rather than public placement.

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The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.

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Bryanston Settlement (Details) - USD ($) $ in Thousands		3 Months Ended
Bryanston Settlement (Details) - USD ($) $ in Thousands	Mar. 07, 2016	Mar. 31, 2016	Mar. 31, 2015
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Interest expense		$ 411	$ 679
Series E
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Payments for Repurchase of Private Placement	$ 30,700
Redemption of preferred stock	$ 1,500
Mandatorily Redeemable Preferred Stock \| Series E
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Interest expense		$ 200	$ 310,000,000