Fair Value Measurement - Fair Value, by Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financial instruments - assets
AFS, at fair value	$ 228,774	$ 237,878
Estimated Fair Value	355,789	348,505
Loans held for sale	7,258	2,475
Derivative assets	15,291
Level 1
Financial instruments - assets
Cash and cash equivalents	93,875	60,881
AFS, at fair value	0	0
Estimated Fair Value	0	0
Equity securities	433	430
Loans held for sale	0	0
Net loans	0	0
Restricted investment in bank stocks	11,646	8,315
Accrued interest receivable	19,626	18,405
Derivative assets	0	0
Financial instruments - liabilities
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Subordinated debt	0	0
Accrued interest payable	11,115	2,303
Derivative liabilities	0	0
Level 2
Financial instruments - assets
Cash and cash equivalents	0	0
AFS, at fair value	228,774	237,878
Estimated Fair Value	355,789	348,505
Equity securities	0	0
Loans held for sale	7,258	2,475
Net loans	0	0
Restricted investment in bank stocks	0	0
Accrued interest receivable	0	0
Derivative assets	15,291	11,743
Financial instruments - liabilities
Deposits	4,273,395	3,761,260
Short-term borrowings	112,442	102,647
Long-term debt	54,014	1,069
Subordinated debt	46,152	55,917
Accrued interest payable	0	0
Derivative liabilities	11,719	11,737
Level 3
Financial instruments - assets
Cash and cash equivalents	0	0
AFS, at fair value	0	0
Estimated Fair Value	0	0
Equity securities	0	0
Loans held for sale	0	0
Net loans	3,982,704	3,439,948
Restricted investment in bank stocks	0	0
Accrued interest receivable	0	0
Derivative assets	0	0
Financial instruments - liabilities
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Subordinated debt	0	0
Accrued interest payable	0	0
Derivative liabilities	0	0
Carrying Amount
Financial instruments - assets
Cash and cash equivalents	93,875	60,881
AFS, at fair value	228,774	237,878
Estimated Fair Value	404,831	399,494
Equity securities	433	430
Loans held for sale	7,258	2,475
Net loans	4,001,922	3,495,162
Restricted investment in bank stocks	11,646	8,315
Accrued interest receivable	19,626	18,405
Derivative assets	15,291	11,743
Financial instruments - liabilities
Deposits	4,286,686	3,778,331
Short-term borrowings	112,442	102,647
Long-term debt	55,738	1,119
Subordinated debt	46,648	56,941
Accrued interest payable	11,115	2,303
Derivative liabilities	11,719	11,737
Estimated Fair Value
Financial instruments - assets
Cash and cash equivalents	93,875	60,881
AFS, at fair value	228,774	237,878
Estimated Fair Value	355,789	348,505
Equity securities	433	430
Loans held for sale	7,258	2,475
Net loans	3,982,704	3,439,948
Restricted investment in bank stocks	11,646	8,315
Accrued interest receivable	19,626	18,405
Derivative assets	15,291	11,743
Financial instruments - liabilities
Deposits	4,273,395	3,761,260
Short-term borrowings	112,442	102,647
Long-term debt	54,014	1,069
Subordinated debt	46,152	55,917
Accrued interest payable	11,115	2,303
Derivative liabilities	$ 11,719	$ 11,737