Parent Company Only Condensed Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets:
Loans held for investment, at amortized cost	$ 560,882	$ 1,197,896
Other assets	15,780	15,361
Total assets	917,095	1,544,691
Liabilities:
Subordinated debentures	5,985	5,948
Notes payable	3,299	3,754
Accrued interest payable	326	1,999
Accrued expenses and other liabilities	15,109	17,950
Total liabilities	820,805	1,473,622
Common stock and additional paid-in capital; no par value, 15,000,000 shares authorized, 3,981,117 and 3,485,018 shares issued and outstanding at December 31, 2021 and December 31, 2020	51,496	43,043
Accumulated other comprehensive income (loss), net	(420)	0
Unearned compensation	(17)	(41)
Retained earnings	35,947	13,390
Total shareholders’ equity	96,290	71,069	$ 51,332
Total liabilities and shareholders’ equity	$ 917,095	$ 1,544,691
Balance Sheet, Parenthetical Information [Abstract]
Common stock and additional paid-in capital, shares authorized (in shares)	15,000,000	15,000,000
Common stock and additional paid-in capital, shares issued (in shares)	3,981,117	3,485,018
Common stock and additional paid-in capital, shares outstanding (in shares)	3,981,117	3,485,018
Parent Company
Assets:
Cash on deposit with subsidiary	$ 2,551	$ 2,438
Loans held for investment, at amortized cost	36	63
Investment in subsidiary	103,481	78,410
Other assets	158	53
Total assets	106,226	80,964
Liabilities:
Subordinated debentures	5,985	5,948
Notes payable	3,299	3,754
Accrued interest payable	8	8
Accrued expenses and other liabilities	644	185
Total liabilities	9,936	9,895
Common stock and additional paid-in capital; no par value, 15,000,000 shares authorized, 3,981,117 and 3,485,018 shares issued and outstanding at December 31, 2021 and December 31, 2020	51,496	43,043
Accumulated other comprehensive income (loss), net	(420)	0
Unearned compensation	(17)	(41)
Retained earnings	35,947	13,390
Total shareholders’ equity	96,290	71,069
Total liabilities and shareholders’ equity	$ 106,226	$ 80,964
Balance Sheet, Parenthetical Information [Abstract]
Common stock and additional paid-in capital, shares authorized (in shares)	15,000,000	15,000,000
Common stock and additional paid-in capital, shares issued (in shares)	3,981,117	3,485,018
Common stock and additional paid-in capital, shares outstanding (in shares)	3,981,117	3,485,018
Preferred Shares, Series A
Liabilities:
Preferred stock	$ 6,161	$ 6,161
Balance Sheet, Parenthetical Information [Abstract]
Preferred stock, shares authorized (in shares)	10,000	10,000
Preferred stock, shares issued (in shares)	6,395	6,395
Preferred stock, shares outstanding (in shares)	6,395	6,395
Preferred stock, aggregate liquidation preference	$ 6,395	$ 6,395
Preferred Shares, Series A | Parent Company
Liabilities:
Preferred stock	$ 6,161	$ 6,161
Balance Sheet, Parenthetical Information [Abstract]
Preferred stock, shares authorized (in shares)	10,000	10,000
Preferred stock, shares issued (in shares)	6,395	6,395
Preferred stock, shares outstanding (in shares)	6,395	6,395
Preferred stock, aggregate liquidation preference	$ 6,395	$ 6,395
Preferred Shares, Series B
Liabilities:
Preferred stock	$ 3,123	$ 8,516
Balance Sheet, Parenthetical Information [Abstract]
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	3,210	8,760
Preferred stock, shares outstanding (in shares)	3,210	8,760
Preferred stock, aggregate liquidation preference	$ 3,210	$ 8,760
Preferred Shares, Series B | Parent Company
Liabilities:
Preferred stock	$ 3,123	$ 8,516
Balance Sheet, Parenthetical Information [Abstract]
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	3,210	8,760
Preferred stock, shares outstanding (in shares)	3,210	8,760
Preferred stock, aggregate liquidation preference	$ 3,210	$ 8,760