Loans and Allowance for Loan Losses ("ALLL") - Loan Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
2022	$ 656,897
2021	1,011,298
2020	508,612
2019	287,668
2018	187,990
2017 and Prior	151,724
Revolving loans	1,525,578
Revolving loans converted to term loans	198,467
Total Loans Receivable	4,528,234	$ 4,256,213
Loans >= 90 Days and Accruing		90
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	11,296
2020	7
2019	2,185
2018	0
2017 and Prior	0
Revolving loans	2,086
Revolving loans converted to term loans	126
Total Loans Receivable	15,700
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	77
2017 and Prior	74
Revolving loans	784
Revolving loans converted to term loans	0
Total Loans Receivable	935
Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	104
2020	3
2019	10
2018	1,383
2017 and Prior	655
Revolving loans	17,659
Revolving loans converted to term loans	2,983
Total Loans Receivable	22,797
Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	11,400
2020	10
2019	2,195
2018	1,460
2017 and Prior	729
Revolving loans	20,529
Revolving loans converted to term loans	3,109
Total Loans Receivable	39,432
Current
Financing Receivable, Past Due [Line Items]
2022	656,897
2021	999,898
2020	508,602
2019	285,473
2018	186,530
2017 and Prior	150,995
Revolving loans	1,505,049
Revolving loans converted to term loans	195,358
Total Loans Receivable	4,488,802
Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	3
2019	0
2018	0
2017 and Prior	0
Revolving loans	2,160
Revolving loans converted to term loans	0
Total Loans Receivable	2,163
Commercial
Financing Receivable, Past Due [Line Items]
2022	198,172
2021	331,824
2020	91,098
2019	62,019
2018	61,597
2017 and Prior	23,576
Revolving loans	0
Revolving loans converted to term loans	44,125
Total Loans Receivable	812,411	843,024
Loans >= 90 Days and Accruing		90
Commercial | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	7
2019	88
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	126
Total Loans Receivable	221
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	74
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	74
Commercial | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
2022	0
2021	104
2020	3
2019	10
2018	1,383
2017 and Prior	655
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	2,155
Commercial | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	104
2020	10
2019	98
2018	1,383
2017 and Prior	729
Revolving loans	0
Revolving loans converted to term loans	126
Total Loans Receivable	2,450
Commercial | Current
Financing Receivable, Past Due [Line Items]
2022	198,172
2021	331,720
2020	91,088
2019	61,921
2018	60,214
2017 and Prior	22,847
Revolving loans	0
Revolving loans converted to term loans	43,999
Total Loans Receivable	809,961
Commercial | Greater Than 90 Days And Accruing
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	3
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	3
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	787,664
Revolving loans converted to term loans	0
Total Loans Receivable	787,664	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	2,086
Revolving loans converted to term loans	0
Total Loans Receivable	2,086
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	784
Revolving loans converted to term loans	0
Total Loans Receivable	784
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	11,765
Revolving loans converted to term loans	0
Total Loans Receivable	11,765
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	14,635
Revolving loans converted to term loans	0
Total Loans Receivable	14,635
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	773,029
Revolving loans converted to term loans	0
Total Loans Receivable	773,029
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	2,160
Revolving loans converted to term loans	0
Total Loans Receivable	2,160
Energy
Financing Receivable, Past Due [Line Items]
2022	7,445
2021	2,369
2020	264
2019	44
2018	10
2017 and Prior	0
Revolving loans	222,658
Revolving loans converted to term loans	210
Total Loans Receivable	233,000	278,579
Loans >= 90 Days and Accruing		0
Energy | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	1,469
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	1,469
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	5,894
Revolving loans converted to term loans	0
Total Loans Receivable	5,894
Energy | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	1,469
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	5,894
Revolving loans converted to term loans	0
Total Loans Receivable	7,363
Energy | Current
Financing Receivable, Past Due [Line Items]
2022	7,445
2021	900
2020	264
2019	44
2018	10
2017 and Prior	0
Revolving loans	216,764
Revolving loans converted to term loans	210
Total Loans Receivable	225,637
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	230,626
2021	305,722
2020	153,212
2019	114,809
2018	78,600
2017 and Prior	84,941
Revolving loans	330,625
Revolving loans converted to term loans	137,358
Total Loans Receivable	1,435,893	1,278,479
Loans >= 90 Days and Accruing		0
Commercial real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	9,662
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	9,662
Commercial real estate | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	77
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	77
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	2,983
Total Loans Receivable	2,983
Commercial real estate | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	9,662
2020	0
2019	0
2018	77
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	2,983
Total Loans Receivable	12,722
Commercial real estate | Current
Financing Receivable, Past Due [Line Items]
2022	230,626
2021	296,060
2020	153,212
2019	114,809
2018	78,523
2017 and Prior	84,941
Revolving loans	330,625
Revolving loans converted to term loans	134,375
Total Loans Receivable	1,423,171
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	122,363
2021	257,586
2020	131,909
2019	51,139
2018	3,751
2017 and Prior	4,503
Revolving loans	13,164
Revolving loans converted to term loans	0
Total Loans Receivable	584,415	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	2,097
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	2,097
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	2,097
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	2,097
Construction and land development | Current
Financing Receivable, Past Due [Line Items]
2022	122,363
2021	257,586
2020	131,909
2019	49,042
2018	3,751
2017 and Prior	4,503
Revolving loans	13,164
Revolving loans converted to term loans	0
Total Loans Receivable	582,318
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	38,134
2021	82,699
2020	124,730
2019	47,354
2018	40,803
2017 and Prior	36,793
Revolving loans	626
Revolving loans converted to term loans	198
Total Loans Receivable	371,337	360,046
Residential real estate | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	121
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	121
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	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 | Total past due
Financing Receivable, Past Due [Line Items]
2022	0
2021	121
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	121
Residential real estate | Current
Financing Receivable, Past Due [Line Items]
2022	38,134
2021	82,578
2020	124,730
2019	47,354
2018	40,803
2017 and Prior	36,793
Revolving loans	626
Revolving loans converted to term loans	198
Total Loans Receivable	371,216
Residential 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
Multifamily real estate
Financing Receivable, Past Due [Line Items]
2022	58,346
2021	28,407
2020	5,424
2019	12,070
2018	3,115
2017 and Prior	1,901
Revolving loans	123,802
Revolving loans converted to term loans	16,576
Total Loans Receivable	249,641	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	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 | 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	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 | Current
Financing Receivable, Past Due [Line Items]
2022	58,346
2021	28,407
2020	5,424
2019	12,070
2018	3,115
2017 and Prior	1,901
Revolving loans	123,802
Revolving loans converted to term loans	16,576
Total Loans Receivable	249,641
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	1,811
2021	2,691
2020	1,975
2019	233
2018	114
2017 and Prior	10
Revolving loans	47,039
Revolving loans converted to term loans	0
Total Loans Receivable	53,873	63,605
Loans >= 90 Days and Accruing		$ 0
Consumer | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
2022	0
2021	44
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	44
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	44
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	44
Consumer | Current
Financing Receivable, Past Due [Line Items]
2022	1,811
2021	2,647
2020	1,975
2019	233
2018	114
2017 and Prior	10
Revolving loans	47,039
Revolving loans converted to term loans	0
Total Loans Receivable	53,829
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