Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Operating activities    
Net income (loss) attributable to common stockholders $ 103,382 $ (67,912)
Adjustments to reconcile net income (loss) attributable to common stockholders to net cash provided by operating activities:    
Depreciation and amortization 195,460 184,586
Impairments 56,256 42,061
Amortization of deferred financing costs 5,893 4,084
Derivative net settlements, amortization and other interest rate hedge losses (95) (83)
Amortization of debt discounts (premiums) 1,670 (821)
Stock-based compensation expense 10,757 8,503
(Gain) loss on debt extinguishment (2,489) 64,496
Debt extinguishment costs (3,760) (59,069)
Gains on dispositions of real estate and other assets, net (82,576) (2,171)
Non-cash revenue (15,947) (12,877)
Other 165 274
Changes in operating assets and liabilities:    
Deferred costs and other assets, net (4,935) (3,111)
Accounts payable, accrued expenses and other liabilities 7,433 (3,248)
Net cash provided by operating activities 271,214 154,712
Investing activities    
Acquisitions of real estate (703,106) (569,806)
Capitalized real estate expenditures (7,449) (3,244)
Investments in loans receivable (4,020) 0
Collections of principal on loans receivable and real estate assets under direct financing leases 4,450 4,641
Proceeds from dispositions of real estate and other assets 397,325 37,886
Transfers of net sales proceeds (to) from restricted accounts pursuant to 1031 Exchanges (2,489) 20,784
Transfers of net sales proceeds from (to) Master Trust Release 40,126 (20,240)
Net cash used in investing activities (275,163) (529,979)
Financing activities    
Borrowings under Revolving Credit Facilities 535,000 515,535
Repayments under Revolving Credit Facilities (475,181) (425,219)
Borrowings under Convertible Notes 0 757,500
Repayments under mortgages and notes payable (347,242) (562,104)
Deferred financing costs (3,782) (20,011)
Proceeds from issuance of common stock, net of offering costs 347,211 287,454
Proceeds from exercise of stock options 46 183
Offering costs paid on equity component of Convertible Notes 0 (1,609)
Purchase of treasury stock (1,700) (2,920)
Dividends paid/distributions to equity owners (216,231) (189,510)
Transfers from (to) reserve/escrow deposits with lenders 17,857 (490)
Net cash (used in) provided by financing activities (144,022) 358,809
Net decrease in cash and cash equivalents (147,971) (16,458)
Cash and cash equivalents, beginning of period 176,181 66,588
Cash and cash equivalents, end of period $ 28,210 $ 50,130