Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Operating activities    
Net income (loss) attributable to common stockholders $ 86,215 $ (75,582)
Adjustments to reconcile net income (loss) attributable to common stockholders to net cash provided by operating activities:    
Depreciation and amortization 130,967 122,517
Impairments 35,424 29,334
Amortization of deferred financing costs 3,973 2,297
Derivative net settlements, amortization and other interest rate hedge losses (85) (50)
Amortization of debt discounts (premiums) 1,139 (1,043)
Stock-based compensation expense 7,288 5,484
(Gain) loss on debt extinguishment (2,147) 64,708
Debt extinguishment costs (3,623) (59,069)
Gains on dispositions of real estate and other assets, net (74,616) (517)
Non-cash revenue (10,551) (8,344)
Other (27) 242
Changes in operating assets and liabilities:    
Deferred costs and other assets, net (1,641) (2,352)
Accounts payable, accrued expenses and other liabilities (4,677) (9,062)
Net cash provided by operating activities 167,639 68,563
Investing activities    
Acquisitions of real estate (547,487) (363,643)
Capitalized real estate expenditures (3,175) (2,250)
Investments in loans receivable (4,000) 0
Collections of principal on loans receivable and real estate assets under direct financing leases 2,924 3,286
Proceeds from dispositions of real estate and other assets 340,971 14,218
Transfers of net sales proceeds (to) from restricted accounts pursuant to 1031 Exchanges (40,034) 20,784
Transfers of net sales proceeds from (to) Master Trust Release 43,442 (13,054)
Net cash used in investing activities (207,359) (340,659)
Financing activities    
Borrowings under Revolving Credit Facilities 405,000 405,535
Repayments under Revolving Credit Facilities (400,181) (425,127)
Borrowings under Convertible Notes 0 757,500
Repayments under mortgages and notes payable (321,884) (553,882)
Deferred financing costs (3,782) (20,000)
Proceeds from issuance of common stock, net of offering costs 347,255 287,704
Proceeds from exercise of stock options 46 183
Offering costs paid on equity component of Convertible Notes 0 (1,609)
Purchase of treasury stock (720) (110)
Dividends paid/distributions to equity owners (141,174) (123,207)
Transfers from (to) reserve/escrow deposits with lenders 18,653 (503)
Net cash (used in) provided by financing activities (96,787) 326,484
Net (decrease) increase in cash and cash equivalents (136,507) 54,388
Cash and cash equivalents, beginning of period 176,181 66,588
Cash and cash equivalents, end of period $ 39,674 $ 120,976