Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest Income
Loans	$ 1,113,397,000	$ 959,714,000	$ 451,973,000
Mortgage loans in process of securitization	14,488,000	12,652,000	8,407,000
Investment securities:
Available for sale	57,480,000	21,621,000	2,807,000
Held to maturity	90,075,000	69,983,000	12,382,000
FHLB stock and other equity securities (dividends)	9,372,000	2,205,000	1,220,000
Other	17,908,000	11,623,000	4,044,000
Total interest income	1,302,720,000	1,077,798,000	480,833,000
Interest Expense
Deposits	660,357,000	577,210,000	149,645,000
Short-term borrowings	84,698,000	23,726,000	8,296,000
Long-term borrowings	35,045,000	28,791,000	4,341,000
Total interest expense	780,100,000	629,727,000	162,282,000
Net Interest Income	522,620,000	448,071,000	318,551,000
Provision for credit losses	24,278,000	40,231,000	17,295,000
Net Interest Income After Provision for Credit Losses	498,342,000	407,840,000	301,256,000
Noninterest Income
Gain on sale of loans	62,275,000	48,183,000	64,150,000
Loan servicing fees, net	43,673,000	26,198,000	30,198,000
Mortgage warehouse fees	5,539,000	7,701,000	5,394,000
Losses on sale of investments available for sale (includes $(108), $0 and $0, respectively, related to accumulated other comprehensive loss reclassifications)	(108,000)
Syndication and asset management fees	19,693,000	12,355,000	9,493,000
Other income	17,040,000	20,231,000	16,701,000
Total noninterest income	148,112,000	114,668,000	125,936,000
Noninterest Expense
Salaries and employee benefits	130,723,000	108,181,000	89,085,000
Loan expense	3,767,000	3,409,000	4,703,000
Occupancy and equipment	8,991,000	9,220,000	8,169,000
Professional fees	16,229,000	12,704,000	9,065,000
Deposit insurance expense	26,158,000	13,582,000	3,463,000
Technology expense	7,819,000	6,515,000	5,282,000
Credit risk transfer premium expense	6,320,000
Other expense	23,805,000	20,990,000	16,283,000
Total noninterest expense	223,812,000	174,601,000	136,050,000
Income Before Income Taxes	422,642,000	347,907,000	291,142,000
Provision for income taxes (includes $26, $0 and $0, respectively, of income tax benefit related to accumulated other comprehensive loss reclassifications)	102,256,000	68,673,000	71,421,000
Net Income	320,386,000	279,234,000	219,721,000
Dividends on preferred stock	(34,909,000)	(34,670,000)	(25,983,000)
Impact of preferred stock redemption	(1,823,000)
Net Income Allocated to Common Shareholders	$ 283,654,000	$ 244,564,000	$ 193,738,000
Basic Earnings Per Share (in dollars per share)	$ 6.32	$ 5.66	$ 4.49
Diluted Earnings Per Share (in dollars per share)	$ 6.3	$ 5.64	$ 4.47
Weighted-Average Shares Outstanding
Basic (in shares)	44,855,100	43,224,042	43,164,477
Diluted (in shares)	45,004,786	43,345,799	43,316,904