Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income attributable to the Company	$ 70,535	$ 53,271	$ 39,137
Adjustments to arrive at net income/(loss) from continuing operations
Net income attributable to noncontrolling interests	(3,948)	(3,122)	(3,148)
Income Loss Before Tax of Discontinued Operations Not Including Gain on Disposal	13,913	9,946	10,631
Net pre-tax gain on sale of discontinued operations	0	(221)	0
Tax expense from discontinued operations	6,121	2,532	4,447
Net income from continuing operations	66,691	48,758	36,101
Adjustments to reconcile net income/(loss) from continuing operations to net cash provided by/(used in) operating activities:
Depreciation and amortization	19,107	18,888	18,051
Net income attributable to noncontrolling interests	(3,948)	(3,122)	(3,148)
Amortization of stock compensation and employee stock purchase plan	6,747	7,531	6,867
Provision/ (credit) for loan losses	(10,000)	(3,300)	13,160
Loans originated for sale	(231,539)	(240,296)	(156,441)
Proceeds from sale of loans held for sale	254,345	222,621	154,480
Gain on repurchase of debt	(620)	(3,444)	(4,230)
Gain on sale of Pacific Northwest offices	10,574	0	0
Deferred income tax expense/(benefit)	10,313	3,648	7,798
Net decrease/(increase) in other operating activities	5,861	6,094	6,202
Net cash provided by/(used in) operating activities of continuing operations	106,383	57,378	78,840
Net cash provided by/(used in) operating activities of discontinued operations	7,792	(5,566)	7,506
Net cash provided by/(used in) operating activities	114,175	51,812	86,346
Investment securities available for sale:
Payments to Acquire Available-for-sale Securities	243,359	364,021	731,379
Proceeds from Sale of Available-for-sale Securities	4,062	49,336	162,728
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities	227,973	451,284	518,396
Investment securities held to maturity:
Payments to Acquire Held-to-maturity Securities	(112,391)	0	0
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities	325	0	0
(Investments)/distributions in trusts, net	154	(713)	231
(Purchase)/ redemption of Federal Home Loan Banks stock	3,369	1,733	2,132
Net increase in portfolio loans	(310,834)	(568,995)	(208,512)
Proceeds from recoveries of loans previously charged off	7,731	8,428	11,975
Proceeds from sale of OREO	2,455	5,021	24,513
Proceeds from sale of portfolio loans	9,449	109,934	0
Proceeds from sale and repayments of non-strategic loan portfolio, net of advances	0	0	1,000
Proceeds from sale of Pacific Northwest offices	123,693	0	0
Capital expenditures, net of sale proceeds	(8,311)	(6,532)	(8,877)
Cash received from dispositions/ (paid for acquisitions, including deferred acquisition obligations, net of cash acquired)	0	5,964	2,752
Payments for (Proceeds from) Other Investing Activities	(224)	(1,561)
Net cash provided by/(used in) investing activities - continuing operations	(295,908)	(310,122)	(225,041)
Net cash provided by/(used in) investing activities - discontinued operations	0	(21)	(1,126)
Net cash provided by/(used in) investing activities	(295,908)	(310,143)	(226,167)
Cash flows from financing activities:
Net increase in deposits, including deposits held for sale	199,381	548,732	43,685
Net (decrease)/increase in securities sold under agreements to repurchase and other	(13,966)	(14,472)	(127,807)
Net (decrease)/increase in short-term Federal Home Loan Bank borrowings	(40,000)	40,000	(10,000)
Advances of long-term Federal Home Loan Bank borrowings	120,000	35,000	119,313
Repayments of long-term Federal Home Loan Bank borrowings	(120,867)	(188,706)	(163,168)
Repurchase of debt	(35,536)	(33,749)	(6,988)
Proceeds from issuance of Series D preferred stock, net	47,753	0	0
Repurchase of Series B preferred stock, including deemed dividend at repurchase	(69,827)	0	0
Dividends paid to common share holders	(19,129)	(3,125)	(3,089)
Dividends paid to preferred shareholders	(2,660)	(290)	(290)
Tax deficiency from certain stock compensation awards	(663)	(1,588)	(1,706)
Repurchase of Warrants	0	(15,000)	0
Proceeds from stock option exercises	2,332	738	205
Proceeds from issuance of common stock, net	1,230	1,215	1,244
Distributions paid to noncontrolling interests	(3,416)	(3,851)	(2,149)
Other equity adjustments	238	(1,183)	492
Net cash provided by/(used in) financing activities - continuing operations	64,870	363,721	(150,258)
Net cash provided by/(used in) financing activities - discontinued operations	0	0	0
Net cash provided by/(used in) financing activities	64,870	363,721	(150,258)
Net increase/(decrease) in cash and cash equivalents	(116,863)	105,390	(290,079)
Cash and cash equivalents at beginning of year	308,744	203,354	493,433
Cash and cash equivalents at end of period	191,881	308,744	203,354
Supplementary schedule of non-cash investing and financing activities:
Cash paid for interest	29,377	41,620	51,802
Cash paid for income taxes, net of (refunds received)	32,332	15,358	11,300
Change in unrealized gain/ (loss) on securities available for sale, net of tax	(7,169)	(1,471)	3,236
Change in unrealized gain/ (loss) on cash flow hedges, net of tax	1,206	137	(1,735)
Change in unrealized gain/ (loss) on other, net of tax	358	136	(745)
Available for sale investments transferred to other investments at fair value	0	0	750
Held to maturity investments transferred to available for sale or other investments at fair value	0	0	500
Loans transferred into/(out of) held for sale from/(to) portfolio	5,593	385,423	(526)
Loans charged-off	(5,417)	(17,185)	(27,424)
Loans transferred into other real estate owned from held for sale or portfolio	(372)	2,689	11,118
Deposits transferred to held for sale	0	194,084	0
Equity issued for acquisitions, including deferred acquisition obligations	$ 0	$ 0	$ 4,290