Fair Value Measurements -Schedule of Fair value of Assets Measured on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Recurring
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
Treasury bills		$ 1,594
Municipal bonds	$ 5,153	5,421
Agency mortgage-backed securities	2,827	3,192
Mortgage servicing rights	4,681	4,687
Recurring | Level 1
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
Treasury bills		0
Municipal bonds	0	0
Agency mortgage-backed securities	0	0
Mortgage servicing rights	0	0
Recurring | Level 2
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
Treasury bills		1,594
Municipal bonds	5,153	5,421
Agency mortgage-backed securities	2,827	3,192
Mortgage servicing rights	0	0
Recurring | Level 3
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
Treasury bills		0
Municipal bonds	0	0
Agency mortgage-backed securities	0	0
Mortgage servicing rights	4,681	4,687
Nonrecurring
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
OREO and repossessed assets	575	659
Collateral dependent loans	1,859
Impaired loans		4,844
Nonrecurring | Level 1
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
OREO and repossessed assets	0	0
Collateral dependent loans	0
Impaired loans		0
Nonrecurring | Level 2
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
OREO and repossessed assets	0	0
Collateral dependent loans	0
Impaired loans		0
Nonrecurring | Level 3
Balance of Assets Measured at Fair Value on Recurring or Nonrecurring Basis [Abstract]
OREO and repossessed assets	575	659
Collateral dependent loans	$ 1,859
Impaired loans		$ 4,844