CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest and dividend income
Loans, including fees	$ 345,039	$ 231,851	$ 164,528
Securities	18,525	15,635	5,838
Overnight deposits	9,319	12,314	2,310
Other interest and dividends	2,522	939	608
Total interest income	375,405	260,739	173,284
Interest expense
Deposits	128,677	29,284	14,241
Borrowed funds	22,424	893
Trust preferred securities	1,468	799	424
Subordinated debt		605	1,618
Total interest expense	152,569	31,581	16,283
Net interest income	222,836	229,158	157,001
Provision for credit losses	12,283	10,116	3,816
Net interest income after provision for credit losses	210,553	219,042	153,185
Non-interest income
Non-interest income	27,880	26,851	23,150
Other income	2,827	1,505	2,497
Total non-interest income	27,903	26,593	23,697
Non-interest expense
Compensation and benefits	66,961	57,290	45,908
Bank premises and equipment	9,344	8,855	8,055
Professional fees	18,064	14,423	6,750
Technology costs	4,940	4,713	5,201
Licensing fees	12,818	10,477	8,606
FDIC assessments	9,077	4,625	3,852
Regulatory settlement reserve	(5,521)	35,000
Other expenses	15,855	13,354	8,940
Total non-interest expense	131,538	148,737	87,312
Net income before income tax expense	106,918	96,898	89,570
Income tax expense	29,650	37,473	29,015
Net income	$ 77,268	$ 59,425	$ 60,555
Earnings per common share
Basic earnings (in dollars per share)	$ 6.95	$ 5.42	$ 6.64
Diluted earnings (in dollars per share)	$ 6.91	$ 5.29	$ 6.45
Service charges on deposit accounts
Non-interest income
Non-interest income	$ 6,071	$ 5,747	$ 4,755
Revenue, Product and Service [Extensible List]	Service charges on deposit accounts	Service charges on deposit accounts	Service charges on deposit accounts
Global Payments Group revenue
Non-interest income
Non-interest income	$ 19,005	$ 19,341	$ 16,445
Revenue, Product and Service [Extensible List]	Global Payments Group revenue	Global Payments Group revenue	Global Payments Group revenue
Other service charges and fees
Non-interest income
Non-interest income	$ 2,804	$ 1,763	$ 1,950