Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income attributable to the Company		$ 18,041	$ 18,783
Adjustments to arrive at net income from continuing operations [Abstract]
Net income attributable to noncontrolling interests		911	1,229
Less: Net income from discontinued operations	[1]	(2,065)	(2,094)
Net income from continuing operations		16,887	17,918
Adjustments to reconcile net income from continuing operations to net cash provided by/(used in) operating activities:
Depreciation and amortization		5,196	5,587
Net income attributable to noncontrolling interests		(911)	(1,229)
Equity issued as compensation, net of cancellations		(442)	1,779
Provision/ (credit) for loan losses		(3,133)	(2,500)
Loans originated for sale		(18,411)	(38,131)
Proceeds from sale of loans held for sale		21,309	34,963
Deferred income tax expense/ (benefit)		2,348	314
Net decrease/ (increase) in other operating activities		(4,163)	(11,047)
Net cash provided by/ (used in) operating activities of continuing operations		18,680	7,654
Net cash provided by/ (used in) operating activities of discontinued operations		2,065	2,094
Net cash provided by/ (used in) operating activities		20,745	9,748
Investment securities available for sale:
Purchases		(100,759)	(180,244)
Sales		15,292	5,015
Maturities, calls, redemptions, and principal payments		32,051	35,572
Investment securities held to maturity:
Purchases		0	0
Principal payments		4,851	5,543
(Investments)/ distributions in trusts, net		(240)	(322)
(Purchase)/ redemption of Federal Home Loan Banks stock		979	(480)
Net (increase)/ decrease in portfolio loans		57,880	(25,485)
Proceeds from recoveries of loans previously charged-off		4,076	3,979
Proceeds from sale of OREO		958	0
Capital expenditures, net of sale proceeds		(2,284)	(504)
Net cash provided by/ (used in) investing activities of continuing operations		12,804	(156,926)
Net cash provided by/ (used in) investing activities		12,804	(156,926)
Cash flows from financing activities:
Net increase/ (decrease) in deposits		(253,577)	(80,472)
Net increase/ (decrease) in securities sold under agreements to repurchase		4,967	21,741
Net increase/ (decrease) in federal funds purchased		40,000	50,000
Net increase/ (decrease) in short-term Federal Home Loan Bank borrowings		70,000	70,000
Advances of long-term Federal Home Loan Bank borrowings		25,800	10,000
Repayments of long-term Federal Home Loan Bank borrowings		(33,172)	(128)
Dividends paid to common shareholders		(8,318)	(7,424)
Dividends paid to preferred shareholders		(869)	(869)
Payments for Repurchase of Common Stock		(2,750)	0
Payments Related to Tax Withholding for Share-based Compensation		(658)	(415)
Proceeds from stock option exercises		281	290
Proceeds from issuance of common stock, net		578	450
Distributions paid to noncontrolling interests		(846)	(1,060)
Other equity adjustments		267	574
Net cash provided by/ (used in) financing activities of continuing operations		(158,297)	62,687
Net cash provided by/ (used in) financing activities		(158,297)	62,687
Net increase/ (decrease) in cash and cash equivalents		(124,748)	(84,491)
Cash and cash equivalents at beginning of year		238,694	172,609
Cash and cash equivalents at end of period		113,946	88,118
Supplementary schedule of non-cash investing and financing activities:
Cash paid for interest		6,717	6,574
Cash paid for income taxes, net of (refunds received)		3,785	1,890
Net unrealized gain/ (loss) on securities available for sale, net of tax		9,087	2,326
Net unrealized gain/ (loss) on cash flow hedges, net of tax		(900)	(509)
Net unrealized gain/ (loss) on other, net of tax		0	0
Loans charged-off		$ (3,016)	$ (54)

[1] The Company presents its EPS based on the treasury stock method. The Company reverted to the treasury stock presentation from the two-class presentation due to the immaterial number of participating shares outstanding as of March 31, 2016. If the EPS presentation had been based on the two-class method, the following adjustments would have been made to the presentation of EPS for the three months ended March 31, 2016. Net income attributable to common shareholders would have been reduced by an additional $4 thousand, and the allocation of net income to participating securities would have been $6 thousand, reducing net income attributable to common shareholders by a total of $10 thousand. Basic EPS would not change. Weighted average diluted shared outstanding would have been reduced by 37,298 shares. Diluted EPS would not change.If the EPS presentation had been based on the two-class method, the following adjustments would have been made to the presentation of EPS for the three months ended March 31, 2015. Net income attributable to common shareholders would have been reduced by an additional $43 thousand, and the allocation of net income to participating securities would have been $60 thousand, reducing net income attributable to common shareholders by a total of $103 thousand. Basic EPS would not change. Weighted average diluted shared outstanding would have been reduced by 341,603 shares. Diluted EPS would not change.