Allowance for Credit Losses - Schedule of Loans Held For Investment by Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 1,120,674	$ 1,751,231
2022	1,000,391	1,660,779
2021	1,536,117	227,850
2020	388,477	367,450
2019	331,945	182,525
Prior	871,946	762,176
Revolving Loans Amortized Cost Basis	1,917,466	1,905,183
Total	7,167,016	6,857,194
Real estate loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total	5,073,043	4,858,208
Real estate loans | Non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	65,271	177,852
2022	195,538	637,015
2021	618,505	34,525
2020	33,976	112,054
2019	90,962	82,385
Prior	412,689	350,552
Revolving Loans Amortized Cost Basis	228,283	221,333
Total	1,645,224	1,615,716
Real estate loans | Non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	65,271	177,852
2022	195,538	637,015
2021	618,505	34,525
2020	33,976	91,941
2019	90,962	82,385
Prior	402,635	342,174
Revolving Loans Amortized Cost Basis	228,283	221,333
Total	1,635,170	1,587,225
Real estate loans | Non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	8,301	8,378
Revolving Loans Amortized Cost Basis	0	0
Total	8,301	8,378
Real estate loans | Non-owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	20,113
2019	0	0
Prior	1,753	0
Revolving Loans Amortized Cost Basis	0	0
Total	1,753	20,113
Real estate loans | Non-owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Non-owner occupied | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Multi-family residential
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,484	85,670
2022	67,844	110,943
2021	109,783	26,881
2020	26,731	126,724
2019	117,683	27,242
Prior	137,412	124,433
Revolving Loans Amortized Cost Basis	303,775	318,130
Total	764,712	820,023
Real estate loans | Multi-family residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,484	85,670
2022	67,844	110,943
2021	109,783	26,881
2020	26,731	126,724
2019	117,683	27,242
Prior	113,106	124,433
Revolving Loans Amortized Cost Basis	303,775	318,130
Total	740,406	820,023
Real estate loans | Multi-family residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Multi-family residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	24,306	0
Revolving Loans Amortized Cost Basis	0	0
Total	24,306	0
Real estate loans | Multi-family residential | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Multi-family residential | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Land development and construction loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023	36,606	8,846
2022	9,730	27,746
2021	28,140	23,459
2020	22,000	188
2019	0	0
Prior	26,930	26,930
Revolving Loans Amortized Cost Basis	190,604	186,005
Total	314,010	273,174
Real estate loans | Land development and construction loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	36,606	8,846
2022	9,730	27,746
2021	28,140	23,459
2020	22,000	188
2019	0	0
Prior	26,930	26,930
Revolving Loans Amortized Cost Basis	184,107	186,005
Total	307,513	273,174
Real estate loans | Land development and construction loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	6,497	0
Total	6,497	0
Real estate loans | Land development and construction loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Land development and construction loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Land development and construction loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Single-family residential
Financing Receivable, Credit Quality Indicator [Line Items]
2023	626,167	480,328
2022	76,619	186,790
2021	136,977	70,853
2020	68,884	21,654
2019	21,260	16,630
Prior	76,524	65,990
Revolving Loans Amortized Cost Basis	279,426	260,600
Total	1,285,857	1,102,845
Real estate loans | Single-family residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	626,167	480,328
2022	76,619	186,790
2021	136,977	70,853
2020	68,884	21,654
2019	21,260	16,630
Prior	76,098	65,249
Revolving Loans Amortized Cost Basis	277,698	259,411
Total	1,283,703	1,100,915
Real estate loans | Single-family residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Single-family residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	426	741
Revolving Loans Amortized Cost Basis	1,728	1,189
Total	2,154	1,930
Real estate loans | Single-family residential | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Single-family residential | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	69,246	258,912
2022	261,074	481,592
2021	442,244	22,997
2020	22,598	63,629
2019	62,762	22,440
Prior	169,563	163,694
Revolving Loans Amortized Cost Basis	35,753	33,186
Total	1,063,240	1,046,450
Real estate loans | Owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	69,246	256,816
2022	259,143	479,961
2021	439,399	22,341
2020	21,973	63,629
2019	62,762	21,790
Prior	167,636	162,411
Revolving Loans Amortized Cost Basis	33,873	33,146
Total	1,054,032	1,040,094
Real estate loans | Owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	356	0
Revolving Loans Amortized Cost Basis	1,880	0
Total	2,236	0
Real estate loans | Owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	2,096
2022	1,931	1,631
2021	2,845	656
2020	625	0
2019	0	650
Prior	1,571	1,283
Revolving Loans Amortized Cost Basis	0	40
Total	6,972	6,356
Real estate loans | Owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Real estate loans | Owner occupied | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Commercial loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023	298,064	400,781
2022	345,888	95,554
2021	83,143	20,082
2020	15,648	43,133
2019	39,231	33,774
Prior	35,472	17,281
Revolving Loans Amortized Cost Basis	759,763	770,629
Total	1,577,209	1,381,234
Commercial loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	298,064	400,781
2022	345,865	95,470
2021	83,131	19,815
2020	14,000	42,936
2019	39,049	32,248
Prior	34,566	16,297
Revolving Loans Amortized Cost Basis	736,190	761,489
Total	1,550,865	1,369,036
Commercial loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	1,499
Prior	0	0
Revolving Loans Amortized Cost Basis	13,029	250
Total	13,029	1,749
Commercial loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	23	84
2021	12	267
2020	1,648	194
2019	179	27
Prior	906	984
Revolving Loans Amortized Cost Basis	10,544	8,890
Total	13,312	10,446
Commercial loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	3
2019	3	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	3	3
Commercial loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Loans to financial institutions and acceptances
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	13,332	13,292
Revolving Loans Amortized Cost Basis	0	0
Total	13,332	13,292
Loans to financial institutions and acceptances | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	13,332	13,292
Revolving Loans Amortized Cost Basis	0	0
Total	13,332	13,292
Loans to financial institutions and acceptances | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Loans to financial institutions and acceptances | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Loans to financial institutions and acceptances | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Loans to financial institutions and acceptances | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Consumer loans and overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
2023	23,836	338,842
2022	43,698	121,139
2021	117,325	29,053
2020	198,640	68
2019	47	54
Prior	24	4
Revolving Loans Amortized Cost Basis	119,862	115,300
Total	503,432	604,460
Consumer loans and overdrafts | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	23,836	338,744
2022	43,698	121,011
2021	117,325	29,053
2020	198,640	68
2019	47	54
Prior	23	0
Revolving Loans Amortized Cost Basis	119,793	115,300
Total	503,362	604,230
Consumer loans and overdrafts | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Consumer loans and overdrafts | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	98
2022	0	128
2021	0	0
2020	0	0
2019	0	0
Prior	1	4
Revolving Loans Amortized Cost Basis	69	0
Total	70	230
Consumer loans and overdrafts | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Consumer loans and overdrafts | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	$ 0	$ 0