Loans and Allowance for Loan Losses ("ALLL") - Impaired Loans (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Recorded Balance
Total	$ 56,927
Unpaid Principal Balance
Total	67,089
Specific Allowance	5,597
Commercial
Recorded Balance
Loans without a specific valuation	4,659
Loans with a specific valuation	1,080
Total	5,739
Unpaid Principal Balance
Loans without a specific valuation	4,740
Loans with a specific valuation	1,080
Total	5,820
Specific Allowance	333
Energy
Recorded Balance
Loans without a specific valuation	3,509
Loans with a specific valuation	12,695
Total	16,204
Unpaid Principal Balance
Loans without a specific valuation	7,322
Loans with a specific valuation	17,977
Total	25,299
Specific Allowance	2,100
Commercial real estate
Recorded Balance
Loans without a specific valuation	1,729
Loans with a specific valuation	29,868
Total	31,597
Unpaid Principal Balance
Loans without a specific valuation	1,729
Loans with a specific valuation	30,854
Total	32,583
Specific Allowance	3,164
Construction and land development
Recorded Balance
Loans without a specific valuation	0
Loans with a specific valuation	0
Total	0
Unpaid Principal Balance
Loans without a specific valuation	0
Loans with a specific valuation	0
Total	0
Specific Allowance	0
Residential and Multifamily Real Estate [Member]
Recorded Balance
Total	3,387
Unpaid Principal Balance
Total	3,387
Specific Allowance	0
Residential real estate
Recorded Balance
Loans without a specific valuation	3,387
Loans with a specific valuation	0
Unpaid Principal Balance
Loans without a specific valuation	3,387
Loans with a specific valuation	0
Paycheck Protection Program ("PPP")
Recorded Balance
Loans without a specific valuation	0
Loans with a specific valuation	0
Total	0
Unpaid Principal Balance
Loans without a specific valuation	0
Loans with a specific valuation	0
Total	0
Specific Allowance	0
Consumer
Recorded Balance
Loans without a specific valuation	0
Loans with a specific valuation	0
Total	0
Unpaid Principal Balance
Loans without a specific valuation	0
Loans with a specific valuation	0
Total	0
Specific Allowance	$ 0

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
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Amount of allowance for credit losses related to recorded investment.

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-Publisher FASB
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