Loans and Allowance for Loan Losses ("ALLL") - Internal Risk Ratings (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [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
Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	3,492
2020	292
2019	21
2018	1,474
2017 and Prior	1,847
Revolving loans	15,499
Revolving loans converted to term loans	5,049
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	645,031
2021	965,406
2020	490,649
2019	283,872
2018	177,928
2017 and Prior	149,467
Revolving loans	1,447,643
Revolving loans converted to term loans	139,003
Total Loans Receivable	4,298,999
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1,185
2021	39,092
2020	14,488
2019	1,485
2018	7,812
2017 and Prior	361
Revolving loans	47,633
Revolving loans converted to term loans	36,746
Total Loans Receivable	148,802
Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	10,681
2021	3,308
2020	3,183
2019	2,290
2018	776
2017 and Prior	49
Revolving loans	14,803
Revolving loans converted to term loans	17,669
Total Loans Receivable	52,759
Substandard \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	3,492
2020	292
2019	21
2018	1,474
2017 and Prior	1,847
Revolving loans	13,355
Revolving loans converted to term loans	5,049
Total Loans Receivable	25,530
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	2,144
Revolving loans converted to term loans	0
Total Loans Receivable	2,144
Commercial
Financing Receivable, Credit Quality Indicator [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
Commercial \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	994
2020	0
2019	21
2018	1,397
2017 and Prior	738
Revolving loans	0
Revolving loans converted to term loans	1,868
Commercial \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	197,451
2021	330,830
2020	76,610
2019	58,648
2018	59,121
2017 and Prior	22,720
Revolving loans	0
Revolving loans converted to term loans	22,166
Total Loans Receivable	767,546
Commercial \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	721
2021	0
2020	14,488
2019	1,060
2018	313
2017 and Prior	69
Revolving loans	0
Revolving loans converted to term loans	3,414
Total Loans Receivable	20,065
Commercial \| Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	2,290
2018	766
2017 and Prior	49
Revolving loans	0
Revolving loans converted to term loans	16,677
Total Loans Receivable	19,782
Commercial \| Substandard \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	994
2020	0
2019	21
2018	1,397
2017 and Prior	738
Revolving loans	0
Revolving loans converted to term loans	1,868
Total Loans Receivable	5,018
Commercial \| Doubtful
Financing Receivable, Credit Quality Indicator [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
Financing Receivable, Credit Quality Indicator [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 \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	9,605
Revolving loans converted to term loans	0
Commercial line of credit \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	734,130
Revolving loans converted to term loans	0
Total Loans Receivable	734,130
Commercial line of credit \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	35,139
Revolving loans converted to term loans	0
Total Loans Receivable	35,139
Commercial line of credit \| Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	8,790
Revolving loans converted to term loans	0
Total Loans Receivable	8,790
Commercial line of credit \| Substandard \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	9,605
Revolving loans converted to term loans	0
Total Loans Receivable	9,605
Commercial line of credit \| Doubtful
Financing Receivable, Credit Quality Indicator [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
Financing Receivable, Credit Quality Indicator [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
Energy \| Non-accrual
Financing Receivable, Credit Quality Indicator [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
Energy \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	7,445
2021	900
2020	264
2019	44
2018	0
2017 and Prior	0
Revolving loans	198,257
Revolving loans converted to term loans	210
Total Loans Receivable	207,120
Energy \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	1,469
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	12,494
Revolving loans converted to term loans	0
Total Loans Receivable	13,963
Energy \| Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	10
2017 and Prior	0
Revolving loans	6,013
Revolving loans converted to term loans	0
Total Loans Receivable	6,023
Energy \| Substandard \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	3,750
Revolving loans converted to term loans	0
Total Loans Receivable	3,750
Energy \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	2,144
Revolving loans converted to term loans	0
Total Loans Receivable	2,144
Commercial real estate
Financing Receivable, Credit Quality Indicator [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
Commercial real estate \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	2,498
2020	292
2019	0
2018	77
2017 and Prior	1,109
Revolving loans	0
Revolving loans converted to term loans	2,983
Commercial real estate \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	219,481
2021	273,536
2020	152,920
2019	114,384
2018	71,024
2017 and Prior	83,540
Revolving loans	330,625
Revolving loans converted to term loans	100,089
Total Loans Receivable	1,345,599
Commercial real estate \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	464
2021	29,688
2020	0
2019	425
2018	7,499
2017 and Prior	292
Revolving loans	0
Revolving loans converted to term loans	33,294
Total Loans Receivable	71,662
Commercial real estate \| Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	10,681
2021	0
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	992
Total Loans Receivable	11,673
Commercial real estate \| Substandard \| Non-accrual
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	2,498
2020	292
2019	0
2018	77
2017 and Prior	1,109
Revolving loans	0
Revolving loans converted to term loans	2,983
Total Loans Receivable	6,959
Commercial real estate \| Doubtful
Financing Receivable, Credit Quality Indicator [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, Credit Quality Indicator [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
Construction and land development \| Non-accrual
Financing Receivable, Credit Quality Indicator [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
Construction and land development \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	122,363
2021	249,651
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	576,480
Construction and land development \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	7,935
2020	0
2019	0
2018	0
2017 and Prior	0
Revolving loans	0
Revolving loans converted to term loans	0
Total Loans Receivable	7,935
Construction and land development \| Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [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 \| Substandard \| Non-accrual
Financing Receivable, Credit Quality Indicator [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 \| Doubtful
Financing Receivable, Credit Quality Indicator [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, Credit Quality Indicator [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 \| Non-accrual
Financing Receivable, Credit Quality Indicator [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	198
Residential real estate \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2022	38,134
2021	79,391
2020	121,547
2019	47,354
2018	40,803
2017 and Prior	36,793
Revolving loans	626
Revolving loans converted to term loans	0
Total Loans Receivable	364,648
Residential real estate \| Special Mention
Financing Receivable, Credit Quality Indicator [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 \| Substandard \| Accrual
Financing Receivable, Credit Quality Indicator [Line Items]

Loans and Allowance for Loan Losses ("ALLL") - Internal Risk Ratings (Details) - USD ($)
$ in Thousands

Jun. 30, 2022

Dec. 31, 2021

Financing Receivable, Credit Quality Indicator [Line Items]

$ 656,897

1,011,298

508,612

287,668