Loans and Allowance for Loan Losses ("ALLL") - Loan Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
2022	$ 947,968
2021	979,744
2020	487,940
2019	251,714
2018	177,653
2017 and Prior	135,788
Revolving loans	1,489,743
Revolving loans converted to term loans	207,096
Total Loans Receivable	4,677,646	$ 4,256,213
Loans >= 90 Days and Accruing		90
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	1,150
2021	0
2020	0
2019	15
2018	0
2017 and Prior	195
Revolving loans	14,425
Revolving loans converted to term loans	0
Total Loans Receivable	15,785
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	4,566
2021	0
2020	0
2019	0
2018	0
2017 and Prior	1,032
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	5,598
Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	244
2020	7
2019	75
2018	1,383
2017 and Prior	655
Revolving loans	6,731
Revolving loans converted to term loans	0
Total Loans Receivable	9,095
Total past due
Financing Receivable, Past Due [Line Items]
2022	5,716
2021	244
2020	7
2019	90
2018	1,383
2017 and Prior	1,882
Revolving loans	21,156
Revolving loans converted to term loans	0
Total Loans Receivable	30,478
Current
Financing Receivable, Past Due [Line Items]
2022	942,252
2021	979,500
2020	487,933
2019	251,624
2018	176,270
2017 and Prior	133,906
Revolving loans	1,468,587
Revolving loans converted to term loans	207,096
Total Loans Receivable	4,647,168
Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	140
2020	7
2019	73
2018	0
2017 and Prior	0
Revolving loans	83
Revolving loans converted to term loans	0
Total Loans Receivable	303
Commercial
Financing Receivable, Past Due [Line Items]
2022	287,163
2021	290,791
2020	84,139
2019	58,334
2018	58,108
2017 and Prior	21,992
Revolving loans	0
Revolving loans converted to term loans	57,309
Total Loans Receivable	857,836	843,024
Loans >= 90 Days and Accruing		90
Commercial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	600
2021	0
2020	0
2019	15
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	615
Commercial | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Commercial | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	124
2020	7
2019	75
2018	1,383
2017 and Prior	655
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	2,244
Commercial | Total past due
Financing Receivable, Past Due [Line Items]
2022	600
2021	124
2020	7
2019	90
2018	1,383
2017 and Prior	655
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	2,859
Commercial | Current
Financing Receivable, Past Due [Line Items]
2022	286,563
2021	290,667
2020	84,132
2019	58,244
2018	56,725
2017 and Prior	21,337
Revolving loans	0
Revolving loans converted to term loans	57,309
Total Loans Receivable	854,977
Commercial | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	20
2020	7
2019	73
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	100
Commercial line of credit
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	831,187
Revolving loans converted to term loans	0
Total Loans Receivable	831,187	617,398
Commercial line of credit | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	3,796
Revolving loans converted to term loans	0
Total Loans Receivable	3,796
Commercial line of credit | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Commercial line of credit | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	1,568
Revolving loans converted to term loans	0
Total Loans Receivable	1,568
Commercial line of credit | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	5,364
Revolving loans converted to term loans	0
Total Loans Receivable	5,364
Commercial line of credit | Current
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	825,823
Revolving loans converted to term loans	0
Total Loans Receivable	825,823
Commercial line of credit | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	83
Revolving loans converted to term loans	0
Total Loans Receivable	83
Energy
Financing Receivable, Past Due [Line Items]
2022	7,446
2021	403
2020	246
2019	0
2018	7
2017 and Prior	0
Revolving loans	170,565
Revolving loans converted to term loans	188
Total Loans Receivable	178,855	278,579
Loans >= 90 Days and Accruing		0
Energy | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Energy | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Energy | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	5,163
Revolving loans converted to term loans	0
Total Loans Receivable	5,163
Energy | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	5,163
Revolving loans converted to term loans	0
Total Loans Receivable	5,163
Energy | Current
Financing Receivable, Past Due [Line Items]
2022	7,446
2021	403
2020	246
2019	0
2018	7
2017 and Prior	0
Revolving loans	165,402
Revolving loans converted to term loans	188
Total Loans Receivable	173,692
Energy | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Commercial real estate
Financing Receivable, Past Due [Line Items]
2022	293,539
2021	271,658
2020	145,857
2019	110,577
2018	74,270
2017 and Prior	75,987
Revolving loans	295,589
Revolving loans converted to term loans	132,861
Total Loans Receivable	1,400,338	1,278,479
Loans >= 90 Days and Accruing		0
Commercial real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	408
2021	0
2020	0
2019	0
2018	0
2017 and Prior	195
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	603
Commercial real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	1,032
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	1,032
Commercial real estate | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Commercial real estate | Total past due
Financing Receivable, Past Due [Line Items]
2022	408
2021	0
2020	0
2019	0
2018	0
2017 and Prior	1,227
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	1,635
Commercial real estate | Current
Financing Receivable, Past Due [Line Items]
2022	293,131
2021	271,658
2020	145,857
2019	110,577
2018	74,270
2017 and Prior	74,760
Revolving loans	295,589
Revolving loans converted to term loans	132,861
Total Loans Receivable	1,398,703
Commercial real estate | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Construction and land development
Financing Receivable, Past Due [Line Items]
2022	205,062
2021	298,583
2020	126,364
2019	24,323
2018	3,663
2017 and Prior	1,367
Revolving loans	14,679
Revolving loans converted to term loans	0
Total Loans Receivable	674,041	574,852
Loans >= 90 Days and Accruing		0
Construction and land development | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	10,629
Revolving loans converted to term loans	0
Total Loans Receivable	10,629
Construction and land development | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Construction and land development | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Construction and land development | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	10,629
Revolving loans converted to term loans	0
Total Loans Receivable	10,629
Construction and land development | Current
Financing Receivable, Past Due [Line Items]
2022	205,062
2021	298,583
2020	126,364
2019	24,323
2018	3,663
2017 and Prior	1,367
Revolving loans	4,050
Revolving loans converted to term loans	0
Total Loans Receivable	663,412
Construction and land development | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Residential real estate
Financing Receivable, Past Due [Line Items]
2022	64,935
2021	82,525
2020	124,057
2019	46,254
2018	38,417
2017 and Prior	35,590
Revolving loans	1,894
Revolving loans converted to term loans	195
Total Loans Receivable	393,867	360,046
Residential real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	142
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	142
Residential real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Residential real estate | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	120
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	120
Residential real estate | Total past due
Financing Receivable, Past Due [Line Items]
2022	142
2021	120
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	262
Residential real estate | Current
Financing Receivable, Past Due [Line Items]
2022	64,793
2021	82,405
2020	124,057
2019	46,254
2018	38,417
2017 and Prior	35,590
Revolving loans	1,894
Revolving loans converted to term loans	195
Total Loans Receivable	393,605
Residential real estate | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	120
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	120
Multifamily real estate
Financing Receivable, Past Due [Line Items]
2022	78,194
2021	33,272
2020	5,363
2019	12,005
2018	3,078
2017 and Prior	822
Revolving loans	126,518
Revolving loans converted to term loans	16,543
Total Loans Receivable	275,795	240,230
Multifamily real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Multifamily real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	4,566
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	4,566
Multifamily real estate | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Multifamily real estate | Total past due
Financing Receivable, Past Due [Line Items]
2022	4,566
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	4,566
Multifamily real estate | Current
Financing Receivable, Past Due [Line Items]
2022	73,628
2021	33,272
2020	5,363
2019	12,005
2018	3,078
2017 and Prior	822
Revolving loans	126,518
Revolving loans converted to term loans	16,543
Total Loans Receivable	271,229
Multifamily real estate | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Paycheck Protection Program ("PPP")
Financing Receivable, Past Due [Line Items]
Loans >= 90 Days and Accruing		0
Consumer
Financing Receivable, Past Due [Line Items]
2022	11,629
2021	2,512
2020	1,914
2019	221
2018	110
2017 and Prior	30
Revolving loans	49,311
Revolving loans converted to term loans	0
Total Loans Receivable	65,727	63,605
Loans >= 90 Days and Accruing		$ 0
Consumer | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Consumer | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Consumer | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Consumer | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	0
Consumer | Current
Financing Receivable, Past Due [Line Items]
2022	11,629
2021	2,512
2020	1,914
2019	221
2018	110
2017 and Prior	30
Revolving loans	49,311
Revolving loans converted to term loans	0
Total Loans Receivable	65,727
Consumer | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	$ 0