Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Cash Flows [Abstract]
Net cash used in operating activities	$ (39,084)	$ (9,917)
Cash flows from investing activities:
Sale of investment securities	35,009	6,582
Purchase of investment securities	(36,763)	(5,000)
Purchase of long-term investments	(1,000)	0
Investments in non-consolidated real estate businesses	(4,068)	(1,354)
Investments in consolidated real estate businesses	0	7,617
Distributions from non-consolidated real estate businesses	2,575	0
Increase in cash surrender value of life insurance policies	(47)	(68)
Increase in restricted assets	(390)	7
Capital expenditures	(6,424)	(3,557)
Repayments of notes receivable	933	0
Net cash used in investing activities	(10,175)	(11,007)
Cash flows from financing activities:
Proceeds from debt issuance	260,508	450,000
Deferred financing costs	(8,210)	(11,447)
Repayments of debt	(2,215)	(416,904)
Borrowings under revolver	196,842	214,762
Repayments on revolver	(211,520)	(233,691)
Dividends and distributions on common stock	(40,865)	(35,749)
Proceeds from exercise of Vector options	1,385	0
Tax benefit of options exercised	344	0
Net cash provided by (used in) financing activities	196,269	(33,029)
Net increase (decrease) in cash and cash equivalents	147,010	(53,953)
Cash and cash equivalents, beginning of period	234,466	405,855
Cash and cash equivalents, end of period	$ 381,476	$ 351,902