Loans - Credit Quality Indicator of Loans by Class of Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2024	$ 1,312,924	$ 974,245
2023	907,011	2,264,733
2022	2,056,529	2,112,263
2021	1,792,005	804,167
2020	687,367	797,510
Prior	2,403,812	2,015,489
Revolving	1,140,302	1,094,533
Total	10,299,950	10,062,940
Current fiscal year, Charge Offs	789	1,272
One year prior to current fiscal year, Charge Offs	457	2,027
Two years prior to current fiscal year, Charge Offs	8,412	2,888
Three years prior to current fiscal year, Charge Offs	15,497	3,413
Four years prior to current fiscal year, Charge Offs	384	845
Prior, Charge Offs	4,953	13,409
Revolving, Charge Offs	1,373	941
Total, Charge Offs	31,865	24,795	$ 2,911
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
2024	113,993	80,750
2023	160,801	296,450
2022	161,305	107,158
2021	39,366	20,199
2020	8,547	21,942
Prior	37,382	29,794
Revolving	126,659	211,329
Total	648,053	767,622
Current fiscal year, Charge Offs	0	0
One year prior to current fiscal year, Charge Offs	0	0
Two years prior to current fiscal year, Charge Offs	0	0
Three years prior to current fiscal year, Charge Offs	0	0
Four years prior to current fiscal year, Charge Offs	0	0
Prior, Charge Offs	1	0
Revolving, Charge Offs	0	0
Total, Charge Offs	1	0	0
Construction and land development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	113,993	80,750
2023	160,801	295,043
2022	161,122	107,158
2021	39,276	20,199
2020	8,547	21,942
Prior	36,342	28,902
Revolving	126,659	210,716
Total	646,740	764,710
Construction and land development | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	1,407
2022	0	0
2021	0	0
2020	0	0
Prior	75	393
Revolving	0	289
Total	75	2,089
Construction and land development | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	183	0
2021	90	0
2020	0	0
Prior	965	499
Revolving	0	324
Total	1,238	823
Construction and land development | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial real estate - owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2024	184,401	145,642
2023	140,258	278,567
2022	268,062	284,262
2021	260,432	172,466
2020	161,990	179,537
Prior	650,462	572,790
Revolving	21,024	37,017
Total	1,686,629	1,670,281
Current fiscal year, Charge Offs	0	0
One year prior to current fiscal year, Charge Offs	0	0
Two years prior to current fiscal year, Charge Offs	179	0
Three years prior to current fiscal year, Charge Offs	0	0
Four years prior to current fiscal year, Charge Offs	0	0
Prior, Charge Offs	162	0
Revolving, Charge Offs	0	0
Total, Charge Offs	341	0	0
Commercial real estate - owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	184,312	145,642
2023	139,197	272,384
2022	260,266	281,870
2021	257,711	165,475
2020	153,702	171,897
Prior	628,391	551,177
Revolving	20,674	36,952
Total	1,644,253	1,625,397
Commercial real estate - owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	159
2022	4,975	1,335
2021	2,344	0
2020	2,418	524
Prior	7,965	9,122
Revolving	1	1
Total	17,703	11,141
Commercial real estate - owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	89	0
2023	1,061	6,024
2022	2,821	1,057
2021	377	6,991
2020	5,870	7,116
Prior	14,106	12,491
Revolving	349	64
Total	24,673	33,743
Commercial real estate - owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2024	495,388	234,226
2023	236,306	814,591
2022	835,974	668,314
2021	593,845	301,109
2020	259,479	407,458
Prior	1,058,064	867,988
Revolving	24,752	26,204
Total	3,503,808	3,319,890
Current fiscal year, Charge Offs	0	0
One year prior to current fiscal year, Charge Offs	0	0
Two years prior to current fiscal year, Charge Offs	0	11
Three years prior to current fiscal year, Charge Offs	0	0
Four years prior to current fiscal year, Charge Offs	89	0
Prior, Charge Offs	1,396	0
Revolving, Charge Offs	0	109
Total, Charge Offs	1,485	120	179
Commercial real estate - non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	495,361	234,226
2023	236,306	784,525
2022	820,739	657,499
2021	581,892	288,747
2020	237,777	397,031
Prior	1,012,209	841,062
Revolving	24,752	25,954
Total	3,409,036	3,229,044
Commercial real estate - non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	27	0
2023	0	29,381
2022	4,773	2,092
2021	1,269	2,964
2020	5,265	0
Prior	25,245	12,120
Revolving	0	0
Total	36,579	46,557
Commercial real estate - non-owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	685
2022	10,462	8,723
2021	10,684	9,398
2020	16,437	10,427
Prior	20,610	14,806
Revolving	0	250
Total	58,193	44,289
Commercial real estate - non-owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	130,871	177,303
2023	174,647	450,366
2022	497,480	650,005
2021	632,525	161,012
2020	153,891	95,660
Prior	497,361	423,161
Revolving	530,010	488,185
Total	2,616,785	2,445,692
Current fiscal year, Charge Offs	0	0
One year prior to current fiscal year, Charge Offs	0	0
Two years prior to current fiscal year, Charge Offs	0	0
Three years prior to current fiscal year, Charge Offs	0	44
Four years prior to current fiscal year, Charge Offs	40	0
Prior, Charge Offs	62	159
Revolving, Charge Offs	32	153
Total, Charge Offs	134	356	84
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	130,178	177,000
2023	173,606	450,366
2022	492,412	649,086
2021	631,313	160,889
2020	153,786	95,288
Prior	490,156	413,719
Revolving	517,136	479,047
Total	2,588,587	2,425,395
Residential real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	208
2023	22	0
2022	0	0
2021	0	0
2020	0	58
Prior	164	482
Revolving	3,434	4,004
Total	3,620	4,752
Residential real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	693	95
2023	1,019	0
2022	5,068	919
2021	1,212	123
2020	105	314
Prior	7,041	8,960
Revolving	9,440	5,134
Total	24,578	15,545
Residential real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial and financial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	373,569	315,696
2023	180,920	356,796
2022	262,422	355,820
2021	245,076	129,454
2020	89,343	72,557
Prior	129,784	102,305
Revolving	370,240	275,260
Total	1,651,354	1,607,888
Current fiscal year, Charge Offs	0	1,198
One year prior to current fiscal year, Charge Offs	0	117
Two years prior to current fiscal year, Charge Offs	2,762	659
Three years prior to current fiscal year, Charge Offs	10,669	3,007
Four years prior to current fiscal year, Charge Offs	0	582
Prior, Charge Offs	3,111	12,584
Revolving, Charge Offs	1,074	418
Total, Charge Offs	17,616	18,565	1,233
Commercial and financial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	373,569	315,560
2023	180,423	336,071
2022	253,120	333,113
2021	232,427	127,069
2020	82,964	66,165
Prior	117,276	89,002
Revolving	362,701	269,108
Total	1,602,480	1,536,088
Commercial and financial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	136
2023	382	2,167
2022	755	1,064
2021	2,839	1,005
2020	232	503
Prior	1,904	1,103
Revolving	2,163	2,191
Total	8,275	8,169
Commercial and financial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	115	18,558
2022	8,547	21,643
2021	9,810	1,380
2020	6,147	5,889
Prior	10,604	11,842
Revolving	5,376	3,961
Total	40,599	63,273
Commercial and financial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
Prior	0	358
Revolving	0	0
Total	0	358
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	14,702	20,628
2023	14,079	67,963
2022	31,286	46,704
2021	20,761	19,927
2020	14,117	20,356
Prior	30,759	19,451
Revolving	67,617	56,538
Total	193,321	251,567
Current fiscal year, Charge Offs	789	74
One year prior to current fiscal year, Charge Offs	457	1,910
Two years prior to current fiscal year, Charge Offs	5,471	2,218
Three years prior to current fiscal year, Charge Offs	4,828	362
Four years prior to current fiscal year, Charge Offs	255	263
Prior, Charge Offs	221	666
Revolving, Charge Offs	267	261
Total, Charge Offs	12,288	5,754	$ 1,415
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	14,627	20,557
2023	14,049	66,699
2022	26,332	45,534
2021	20,721	19,747
2020	11,682	20,300
Prior	30,022	19,080
Revolving	67,562	56,473
Total	184,995	248,390
Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	5
2023	5	334
2022	1	279
2021	0	77
2020	0	5
Prior	0	194
Revolving	54	65
Total	60	959
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	75	66
2023	25	930
2022	4,953	891
2021	40	103
2020	2,435	51
Prior	737	177
Revolving	1	0
Total	8,266	2,218
Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0	0
2023	0	0
2022	0	0
2021	0	0
2020	0	0
Prior	0	0
Revolving	0	0
Total	$ 0	$ 0