Fair Value Measurement - Summary of Assets Recorded at Fair Value on a Nonrecurring Basis (Detail) - Fair Value, Nonrecurring [Member] - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Assets, Fair Value Disclosure [Abstract]
Other real estate owned	$ 1,115,100	$ 1,115,100
Assets recorded at fair value on a recurring basis	1,115,100	1,115,100
Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Other real estate owned	1,115,100	1,115,100
Assets recorded at fair value on a recurring basis	$ 1,115,100	$ 1,115,100