CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net income/(loss) attributable to the Company	$ 45,153	$ 80,028	$ 80,384
Adjustments to arrive at net income/(loss) from continuing operations
Less: Net income attributable to noncontrolling interests	6	362	3,487
Net income from discontinued operations	0	0	(2,002)
Net income from continuing operations	45,159	80,390	81,869
Adjustments to reconcile net income/(loss) from continuing operations to net cash provided by/(used in) operating activities:
Depreciation and amortization	21,748	24,125	23,129
Net income attributable to noncontrolling interests	(6)	(362)	(3,487)
Stock compensation, net of cancellations	5,342	4,820	6,676
Provision/(credit) for loan losses	31,998	(3,564)	(2,198)
Loans originated for sale	(115,744)	(62,690)	(37,631)
Proceeds from sale of Loans held for sale	107,187	58,541	39,773
(Gain) on sale of affiliate	0	0	(18,142)
Goodwill and intangibles, net on sale of affiliate	0	0	18,919
Deferred income tax expense/(benefit)	(10,441)	5,423	5,829
Decrease in operating Right-of-use assets	4,216	6,386	0
Decrease in operating Lease liabilities	(4,875)	(7,050)	0
Net decrease/(increase) in other operating activities	(23,836)	(32,737)	(23,240)
Net cash provided by operating activities of continuing operations	60,748	73,282	91,497
Net cash provided by operating activities of discontinued operations	0	0	2,002
Net cash provided by operating activities	60,748	73,282	93,499
Investment securities available-for-sale:
Purchases	(346,350)	(84,514)	(39,747)
Sales	0	0	53,412
Maturities, redemptions, and principal payments	105,951	128,654	120,523
Investment securities held-to-maturity:
Purchases	0	0	(21,752)
Principal payments	12,593	21,949	25,598
Equity securities at fair value:
Purchases	(45,097)	(51,395)	(63,791)
Sales	22,455	46,813	70,357
(Investments)/distributions in trusts, net	(1,085)	720	224
Contingent considerations from divestitures	4,834	4,507	1,233
(Purchase)/redemption of FHLB and FRB stock, net	10,415	10,185	10,710
Net increase in portfolio loans excluding sales of portfolio loans	(200,096)	(277,351)	(390,884)
Proceeds from recoveries of loans previously charged-off	473	1,463	3,266
Proceeds from sales of OREO	0	492	108
Proceeds from sales of portfolio loans	71,992	190,686	0
Proceeds from sales of affiliates	0	0	52,981
Capital expenditures	(11,086)	(11,205)	(20,643)
Net cash provided by investing activities	(375,001)	(18,996)	(198,405)
Cash flows from financing activities:
Net increase in deposits	1,353,890	460,306	270,924
Net (decrease)/increase in securities sold under agreements to repurchase	74	16,470	4,759
Net (decrease)/increase in federal funds purchased	0	(250,000)	220,000
Net (decrease)/increase in short-term FHLB borrowings	(75,000)	35,000	(220,000)
Advances of long-term FHLB borrowings	625,000	340,000	116,444
Repayments of long-term FHLB borrowings	(786,170)	(444,315)	(169,981)
Repurchase of Series D preferred stock, including deemed dividend	0	0	(50,000)
Repurchase of common stock	(12,807)	(7,193)	(20,000)
Dividends paid to common shareholders	(29,683)	(40,380)	(40,685)
Dividends paid to preferred shareholders	0	0	(1,738)
Proceeds from warrant exercises	0	0	372
Proceeds from stock option exercises	112	562	1,661
Proceeds from issuance of common stock	2,243	2,413	1,866
Tax withholding for share based compensation awards	(335)	(1,319)	(2,430)
Distributions paid to noncontrolling interests	(6)	(362)	(3,354)
Other equity adjustments	44	(248)	3,786
Net cash (used in) financing activities	1,077,362	110,934	111,624
Net increase in Cash and cash equivalents	763,109	165,220	6,718
Cash and cash equivalents at beginning of year	292,479	127,259	120,541
Cash and cash equivalents at end of year	1,055,588	292,479	127,259
Supplementary schedule of non-cash investing and financing activities:
Cash paid for interest	40,502	80,428	58,548
Cash paid for income taxes, net of (refunds received)	7,167	17,017	20,541
Change in unrealized gain/(loss) on Investment securities available-for-sale, net of tax	24,237	25,991	(9,077)
Change in unrealized gain/(loss) on cash flow hedges, net of tax	(162)	(391)	54
Change in unrealized gain/(loss) on other, net of tax	35	(306)	296
Transfer of net assets into held for sale	0	0	21
Loans charged-off	(2,830)	(1,229)	(899)
Loans transferred into OREO from portfolio	$ 0	$ 0	$ 401