Bancorp 34, Inc. Parent Company Only Financial Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 27,182	$ 16,112
Other Investments	4,063	1,277
Prepaid and other assets	4,267	4,949
Total assets	581,265	574,340
Liabilities and stockholders’ equity
Subordinated debt, net of issuance costs	24,595	24,531
Stockholders’ equity	60,721	49,238	$ 40,670
Total liabilities and stockholders’ equity	581,265	574,340
Parent Company [Member]
Assets
Cash and cash equivalents	19,184	17,835
Investment in subsidiary bank	63,102	54,073
ESOP note receivable	1,531	1,558
Other Investments	809	315
Prepaid and other assets	1,248	894
Total assets	85,874	74,675
Liabilities and stockholders’ equity
Subordinated debt, net of issuance costs	24,595	24,531
Accounts payable and other liabilities	558	906
Stockholders’ equity	60,721	49,238
Total liabilities and stockholders’ equity	$ 85,874	$ 74,675