CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 87,939us-gaap_ProfitLoss	$ 70,001us-gaap_ProfitLoss	$ 49,557us-gaap_ProfitLoss
Pension liability adjustment			(419)
Reclassification to income from discontinued operations		5,335
Comprehensive income	87,939	75,336	49,138
Income from consolidated joint venture attributable to non-controlling interest	(6,676)	(4,013)	(1,761)
Distributions to non-controlling interest	(32)	(32)	(31)
Preferred stock dividends and redemption charges	(9,200)	(19,013)	(29,748)
Comprehensive income available to common stockholders	$ 72,031us-gaap_ComprehensiveIncomeNetOfTax	$ 52,278us-gaap_ComprehensiveIncomeNetOfTax	$ 17,598us-gaap_ComprehensiveIncomeNetOfTax

Preferred dividends, less administrative fees, paid to investors in a captive REIT.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Other preferred stock dividends and adjustments, not otherwise defined in the taxonomy, that are necessary to adjust net income to obtain net income applicable to common stockholders.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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