Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income attributable to the Company	$ 17,041	$ 13,203
Adjustments to arrive at net income from continuing operations [Abstract]
Net income attributable to noncontrolling interests	1,236	930
Less: Net income from discontinued operations	(1,928)	(1,722)
Net income from continuing operations	16,349	12,411
Adjustments to reconcile net income from continuing operations to net cash provided by/(used in) operating activities:
Depreciation and amortization	4,593	5,203
Net income attributable to noncontrolling interests	(1,236)	(930)
Equity issued as compensation	1,197	2,278
Provision/ (credit) for loan losses	(1,200)	0
Loans originated for sale	(9,262)	(73,290)
Proceeds from sale of loans held for sale	13,177	93,335
Gain on repurchase of debt	0	(574)
Deferred income tax expense/ (benefit)	1,088	1,346
Net decrease/ (increase) in other operating activities	(4,437)	(5,935)
Net cash provided by/ (used in) operating activities of continuing operations	20,269	33,844
Net cash provided by/ (used in) operating activities of discontinued operations	1,928	1,722
Net cash provided by/ (used in) operating activities	22,197	35,566
Investment securities available for sale:
Purchases	(76,236)	(106,697)
Sales	5,328	1,451
Maturities, redemptions, and principal payments	62,447	64,829
Investment securities held to maturity:
Purchases	19,307	0
Principal payments	3,180	0
(Investments)/distributions in trusts, net	(137)	(118)
(Purchase)/ redemption of Federal Home Loan Banks stock	1,162	1,545
Net (increase)/ decrease in portfolio loans	(50,496)	18,112
Proceeds from recoveries of loans previously charged-off	1,579	1,122
Proceeds from sale of OREO	819	844
Proceeds from sale of portfolio loans	0	9,449
Capital expenditures	(1,636)	(3,453)
Cash used in other investing activities	0	224
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(73,297)	(13,140)
Net cash provided by/(used in) investing activities	(73,297)	(13,140)
Cash flows from financing activities:
Net increase/ (decrease) in deposits, including deposits held for sale	231,274	(373,540)
Net (decrease)/ increase in securities sold under agreements to repurchase	(8,803)	5,868
Net (decrease)/ increase in federal funds purchased	15,000	50,000
Net (decrease)/ increase in short-term Federal Home Loan Bank borrowings	30,000	60,000
Advances of long-term Federal Home Loan Bank borrowings	5,000	20,000
Repayments of long-term Federal Home Loan Bank borrowings	(7,796)	(26,710)
Repurchase of debt	0	(8,932)
Dividends paid to common shareholders	(6,386)	(4,003)
Dividends paid to preferred shareholders	(869)	(363)
Tax deficiency from certain stock compensation awards	(26)	(672)
Proceeds from stock option exercises	1,311	1,202
Proceeds from issuance of common stock, net	262	551
Distributions paid to noncontrolling interests	(1,215)	(729)
Other equity adjustments	154	294
Net cash provided by/ (used in) financing activities of continuing operations	257,906	(277,034)
Net cash provided by/(used in) financing activities	257,906	(277,034)
Net increase/(decrease) in cash and cash equivalents	206,806	(254,608)
Cash and cash equivalents at beginning of year	191,881	308,744
Cash and cash equivalents at end of period	398,687	54,136
Supplementary schedule of non-cash investing and financing activities:
Cash paid for interest	6,324	7,873
Cash paid for income taxes, net of (refunds received)	2,666	2,809
Net unrealized gain/ (loss) on securities available for sale, net of tax	1,124	(615)
Net unrealized gain/ (loss) on cash flow hedges, net of tax	(232)	207
Net unrealized gain/ (loss) on other, net of tax	0	(156)
Loans transferred into/ (out of) other real estate owned from/ (to) held for sale or portfolio	145	(477)
Loans transferred into/ (out of) held for sale from/(to) portfolio	0	9,097
Loans charged-off	$ (145)	$ (2,893)