Consolidated Statements of Income - USD ($)		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income
Loans		$ 293,830,000	$ 263,915,000	$ 186,428,000
Mortgage loans in process of securitization		12,746,000	11,122,000	6,690,000
Investment securities:
Available for sale - taxable		3,309,000	3,147,000	6,208,000
Available for sale - tax exempt		41,000	123,000	272,000
Federal Home Loan Bank stock		1,143,000	1,558,000	932,000
Other		817,000	2,925,000	11,465,000
Total interest income		311,886,000	282,790,000	211,995,000
Interest Expense
Deposits		28,256,000	52,238,000	84,661,000
Borrowed funds		5,636,000	6,406,000	5,036,000
Total interest expense		33,892,000	58,644,000	89,697,000
Net Interest Income		277,994,000	224,146,000	122,298,000
Provision for loan losses		5,012,000	11,838,000	3,940,000
Net Interest Income After Provision for Loan Losses		272,982,000	212,308,000	118,358,000
Noninterest Income
Gain on sale of loans		111,185,000	96,578,000	35,411,000
Loan servicing fees, net		16,373,000	(1,801,000)	(1,118,000)
Mortgage warehouse fees		12,396,000	20,980,000	7,145,000
Gains on sale of investments available for sale (includes $191, $441 and $476, respectively, related to accumulated other comprehensive earnings reclassifications)		191,000	441,000	476,000
Low-income housing tax credit syndication fees		6,407,000	1,248,000
Other income		10,781,000	10,027,000	5,175,000
Total noninterest income		157,333,000	127,473,000	47,089,000
Noninterest Expense
Salaries and employee benefits		85,727,000	59,200,000	38,093,000
Loan expenses		7,657,000	9,085,000	4,534,000
Occupancy and equipment		7,365,000	5,733,000	4,609,000
Professional fees		5,427,000	3,664,000	2,326,000
Deposit insurance expense		2,691,000	5,800,000	2,747,000
Technology expense		4,200,000	3,061,000	2,623,000
Other expense		12,318,000	9,881,000	8,381,000
Total noninterest expense		125,385,000	96,424,000	63,313,000
Income Before Income Taxes		304,930,000	243,357,000	102,134,000
Provision for income taxes (includes $(46), $(97) and $(117), respectively, related to income tax (expense)/benefit for reclassification items)		77,826,000	62,824,000	24,805,000
Net Income		227,104,000	180,533,000	77,329,000
Dividends on preferred stock		(20,873,000)	(14,473,000)	(9,216,000)
Net Income Allocated to Common Shareholders		$ 206,231,000	$ 166,060,000	$ 68,113,000
Basic Earnings Per Share	[1]	$ 4.78	$ 3.85	$ 1.58
Diluted Earnings Per Share	[1]	$ 4.76	$ 3.85	$ 1.58
Basic (in Shares)	[1]	43,172,078	43,113,741	43,057,688
Diluted (in Shares)	[1]	43,325,303	43,167,113	43,118,561

[1] The number of shares and per share amounts have been restated to reflect the 3-for-2 common stock split, effective on January 17, 2022.