Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details)

v3.21.4
Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale $ 96,994 $ 81,620
U.S. government agency obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 10,445 7,147
Municipal obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 10,845 10,980
Mortgage-backed residential obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 45,478 43,094
Collateralized mortgage obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 30,226 20,399
Recurring    
Assets, Fair Value Disclosure [Abstract]    
Loans held for sale 972 1,972
Total 97,966 83,592
Recurring | U.S. government agency obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 10,445 7,147
Recurring | Municipal obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 10,845 10,980
Recurring | Mortgage-backed residential obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 45,478 43,094
Recurring | Collateralized mortgage obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 30,226 20,399
Recurring | Level 1    
Assets, Fair Value Disclosure [Abstract]    
Loans held for sale 0 0
Total 0 0
Recurring | Level 1 | U.S. government agency obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 1 | Municipal obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 1 | Mortgage-backed residential obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 1 | Collateralized mortgage obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 2    
Assets, Fair Value Disclosure [Abstract]    
Loans held for sale 972 1,972
Total 97,966 83,592
Recurring | Level 2 | U.S. government agency obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 10,445 7,147
Recurring | Level 2 | Municipal obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 10,845 10,980
Recurring | Level 2 | Mortgage-backed residential obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 45,478 43,094
Recurring | Level 2 | Collateralized mortgage obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 30,226 20,399
Recurring | Level 3    
Assets, Fair Value Disclosure [Abstract]    
Loans held for sale 0 0
Total 0 0
Recurring | Level 3 | U.S. government agency obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 3 | Municipal obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 3 | Mortgage-backed residential obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale 0 0
Recurring | Level 3 | Collateralized mortgage obligations    
Assets, Fair Value Disclosure [Abstract]    
Securities available for sale $ 0 $ 0