Fair Value, Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial Assets [Abstract]
Securities available-for-sale	$ 158,832	$ 10,698
Carrying Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	210,383	96,109
Securities available-for-sale	158,832	10,698
Loans receivable held for investment	614,718	360,129
Accrued interest receivables	2,572	1,202
Bank owned life insurance	3,168	3,147
Financial Liabilities [Abstract]
Deposits	705,041	315,630
Securities sold under agreements to repurchase	70,660
Federal Home Loan Bank advances	96,022	110,500
Junior subordinated debentures	2,805	3,315
Note payable	14,000
Accrued interest payable	104	88
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	210,383	96,109
Securities available-for-sale	158,832	10,698
Loans receivable held for investment	612,712	366,279
Accrued interest receivables	2,572	1,202
Bank owned life insurance	3,168	3,147
Financial Liabilities [Abstract]
Deposits	705,199	312,725
Securities sold under agreements to repurchase	70,063
Federal Home Loan Bank advances	98,160	113,851
Junior subordinated debentures	2,344	2,798
Note payable	14,000
Accrued interest payable	104	88
Fair Value [Member] | Level 1 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	210,383	96,109
Securities available-for-sale	0	0
Loans receivable held for investment	0	0
Accrued interest receivables	206	60
Bank owned life insurance	3,168	3,147
Financial Liabilities [Abstract]
Deposits	0	0
Securities sold under agreements to repurchase	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	0	0
Note payable	0
Accrued interest payable	0	0
Fair Value [Member] | Level 2 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Securities available-for-sale	158,832	10,698
Loans receivable held for investment	0	0
Accrued interest receivables	282	14
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Deposits	705,199	312,725
Securities sold under agreements to repurchase	70,063
Federal Home Loan Bank advances	98,160	113,851
Junior subordinated debentures	0	0
Note payable	0
Accrued interest payable	104	84
Fair Value [Member] | Level 3 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Securities available-for-sale	0	0
Loans receivable held for investment	612,712	366,279
Accrued interest receivables	2,084	1,128
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Securities sold under agreements to repurchase	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	2,344	2,798
Note payable	14,000
Accrued interest payable	$ 0	$ 4