Fair Value Measurement - Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	$ 236,609	$ 237,878
Equity securities	438	430
Loans held for sale	2,677	2,475
Derivative assets	10,496
Derivative assets		11,703
Total	250,220	252,486
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
Equity securities	438	430
Loans held for sale	0	0
Derivative assets	0	0
Derivative assets		0
Total	438	430
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	236,609	237,878
Equity securities	0	0
Loans held for sale	2,677	2,475
Derivative assets	10,496	11,743
Derivative assets		11,703
Total	249,782	252,056
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
Equity securities	0	0
Loans held for sale	0	0
Derivative assets	0	0
Derivative assets		0
Total	0	0
U.S. Treasury and U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	35,250	34,914
U.S. Treasury and U.S. government agencies | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
U.S. Treasury and U.S. government agencies | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	35,250	34,914
U.S. Treasury and U.S. government agencies | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
Mortgage-backed U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	165,604	166,915
Mortgage-backed U.S. government agencies | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
Mortgage-backed U.S. government agencies | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	165,604	166,915
Mortgage-backed U.S. government agencies | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
State and political subdivision obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	3,697	3,539
State and political subdivision obligations | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
State and political subdivision obligations | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	3,697	3,539
State and political subdivision obligations | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	32,058	32,510
Corporate debt securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	0	0
Corporate debt securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	32,058	32,510
Corporate debt securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
AFS, at fair value	$ 0	$ 0