Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest and Dividend Income
Loans receivable	$ 302,528	$ 261,179
Investment securities	14,951	11,764
Federal Home Loan Bank stock	431	304
Deposits with banks	14,732	12,139
Total interest and dividend income	332,642	285,386
Interest Expense
Time deposits	109,546	64,174
Other deposits	42,788	23,817
Advances from Federal Home Loan Bank	9,316	2,598
Long-term debt	1,721	1,443
Short-term debt	699	919
Total interest expense	164,070	92,951
Net interest income before provision for credit losses	168,572	192,435
Provision for credit losses	(1,900)	(8,100)
Net interest income after provision for credit losses	166,672	184,335
Non-Interest Income
Net (losses)/gains from equity securities	(9,027)	4,853
Net gains/(losses) from securities available for sale	1,107	(3,000)
Letters of credit commissions	1,717	1,570
Other operating income	5,626	5,092
Total non-interest income	6,611	14,244
Non-Interest Expense
Salaries and employee benefits	43,552	38,226
Occupancy expense	5,967	5,504
Computer and equipment expense	5,068	4,285
Professional services expense	6,992	7,406
Data processing service expense	3,929	3,724
FDIC and regulatory assessments	6,089	3,155
Marketing expense	1,914	774
Other real estate owned expense	253	50
Amortization of investments in low income housing and alternative energy partnerships	14,432	15,594
Amortization of core deposit intangibles	339	250
Other operating expense	4,704	4,218
Total non-interest expense	93,239	83,186
Income before income tax expense	80,044	115,393
Income tax expense	8,609	19,386
Net income	71,435	96,007
Other Comprehensive Income/(Loss), net of tax
Net holding (losses)/gains on securities available-for-sale	(6,422)	11,659
Net holding losses on cash flow hedge derivatives	(441)	(441)
Total other comprehensive (loss)/income, net of tax	(6,863)	11,218
Total other comprehensive income	$ 64,572	$ 107,225
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.98	$ 1.32
Diluted (in dollars per share)	0.98	1.32
Cash dividends paid per common share (in dollars per share)	$ 0.34	$ 0.34
Average Common Shares Outstanding:
Basic (in shares)	72,673,974	72,533,239
Diluted (in shares)	72,971,157	72,899,662
Deposit Account [Member]
Non-Interest Income
Non-Interest Income	$ 1,550	$ 1,832
Asset Management [Member]
Non-Interest Income
Non-Interest Income	$ 5,638	$ 3,897