CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest and dividend income:
Loans	$ 249,040	$ 281,580	$ 262,525
Taxable investment securities	3,429	4,113	6,007
Non-taxable investment securities	7,950	7,702	7,094
Mortgage-backed securities	10,292	10,793	12,091
Short-term investments and other	2,994	4,259	5,187
Total interest and dividend income	273,705	308,447	292,904
Interest expense:
Deposits	32,001	59,083	39,846
Federal Home Loan Bank borrowings	5,465	14,969	13,787
Junior subordinated debentures	2,670	4,189	3,925
Repurchase agreements and other short-term borrowings	143	2,130	780
Total interest expense	40,279	80,371	58,338
Net interest income	233,426	228,076	234,566
Provision/(credit) for loan losses	31,998	(3,564)	(2,198)
Net interest income after provision/(credit) for loan losses	201,428	231,640	236,764
Fees and other income:
Gain/(loss) on sale of investments, net	0	0	(613)
Gain on OREO, net	0	91	0
Gain on sale of affiliate	0	0	18,142
Other	2,198	2,974	853
Total fees and other income	93,884	101,547	149,997
Operating expense:
Salaries and employee benefits	139,726	134,302	161,468
Occupancy and equipment	31,079	32,038	32,116
Information systems	29,567	22,642	25,185
Professional services	13,816	15,228	13,155
Marketing and business development	6,292	6,439	7,648
Amortization of intangibles	2,697	2,691	2,929
FDIC insurance	2,603	1,285	2,865
Restructuring	0	1,646	7,828
Other	15,485	13,935	14,161
Total operating expense	241,265	230,206	267,355
Income/(loss) before income taxes	54,047	102,981	119,406
Income tax expense/(benefit)	8,888	22,591	37,537
Net income from continuing operations	45,159	80,390	81,869
Net income from discontinued operations	0	0	2,002
Net income before attribution to noncontrolling interests	45,159	80,390	83,871
Less: Net income attributable to noncontrolling interests	6	362	3,487
Net income/(loss) attributable to the Company	45,153	80,028	80,384
Adjustments to net income attributable to the Company to arrive at net income attributable to common shareholders	414	1,143	(1,682)
Net income attributable to common shareholders	$ 45,567	$ 81,171	$ 78,702
Per share data - Basic earnings per share from:
From continuing operations: (in dollars per share)	$ 0.55	$ 0.97	$ 0.92
From discontinued operations: (in dollars per share)	0	0	0.02
Total attributable to common shareholders: (in dollars per share)	$ 0.55	$ 0.97	$ 0.94
Weighted average basic common shares outstanding (in shares)	82,359,528	83,430,740	83,596,685
Per share data - Diluted earnings per share from:
From continuing operations: (in dollars per share)	$ 0.55	$ 0.97	$ 0.90
From discontinued operations: (in dollars per share)	0	0	0.02
Total attributable to common shareholders: (in dollars per share)	$ 0.55	$ 0.97	$ 0.92
Weighted average diluted common shares outstanding (in shares)	82,757,785	83,920,792	85,331,314
Investment management fees
Fees and other income:
Revenue from contracts with customers	$ 6,261	$ 10,155	$ 21,728
Wealth management and trust fees
Fees and other income:
Revenue from contracts with customers	72,888	75,757	99,818
Other banking fee income
Fees and other income:
Revenue from contracts with customers	10,509	10,948	9,826
Gain on sale of loans, net
Fees and other income:
Revenue from contracts with customers	$ 2,028	$ 1,622	$ 243