Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Net cash provided by operating activities	$ 57,829	$ 36,587
Cash flows from investing activities:
Sale of investment securities	0	19,703
Purchase of investment securities	(1,148)	(1,788)
Proceeds from sale or liquidation of long-term investments	72	62,219
Purchase of long-term investments	(5,000)	(10,000)
Investments in non-consolidated real estate businesses	(9,667)	(6,712)
Distributions from non-consolidated real estate businesses	6,221	2,425
Proceeds from sale of townhomes, net	0	19,629
Increase in cash surrender value of life insurance policies	(620)	(677)
(Increase) decrease in restricted assets	(53)	1,775
Issuance of notes receivable	(234)	(161)
Proceeds from sale of fixed assets	404	9
Capital expenditures	(7,394)	(4,872)
Net cash (used in) provided by investing activities	(17,419)	81,550
Cash flows from financing activities:
Proceeds from debt issuance	14,018	77
Deferred financing costs	(315)	0
Repayments of debt	(13,493)	(2,281)
Borrowings under revolver	525,350	486,298
Repayments on revolver	(532,082)	(521,995)
Dividends and distributions on common stock	(66,112)	(61,846)
Proceeds from exercise of employee stock options	45	966
Tax benefit of employee stock options exercised	4	808
Net cash used in financing activities	(72,585)	(97,973)
Net (decrease) increase in cash and cash equivalents	(32,175)	20,164
Cash and cash equivalents, beginning of period	240,923	299,825
Cash and cash equivalents, end of period	$ 208,748	$ 319,989