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Fair Value Measurements - Fair Value of Assets on Recurring Basis Segregated by Level of Valuation Inputs (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Debt investment securities:
Investment securities - available-for-sale	$ 203,167		$ 190,598
Equity investment securities:
Common stock, equity securities	206		206
Other Securities:
Private equity securities	206		206
Mutual funds Common Stock Financial Services Industry [Member]
Equity investment securities:
Common stock, equity securities	206		206
Other Securities:
Private equity securities	206		206
Level 1 [Member] | Total Fair Value [Member]
Other Securities:
Private equity securities	677		677
Level 2 [Member] | Total Fair Value [Member]
Debt investment securities:
Investment securities - available-for-sale	198,129		185,895
Net Asset Value [Member] | Total Fair Value [Member]
Debt investment securities:
Investment securities - available-for-sale	4,832		4,497
Recurring Basis [Member] | Total Fair Value [Member]
Other Securities:
Total available-for-sale securities		$ 197,924	190,392
Private equity securities		1,230	677
Interest rate swap derivative fair value hedges	(7,063)	(894)	(152)
Interest rate swap derivative cash flow hedges		262	(387)
Recurring Basis [Member] | Level 1 [Member]
Other Securities:
Total available-for-sale securities	206		206
Private equity securities			677
Recurring Basis [Member] | Level 1 [Member] | Mutual funds Common Stock Financial Services Industry [Member]
Equity investment securities:
Common stock, equity securities	206		206
Recurring Basis [Member] | Level 2 [Member]
Debt investment securities:
US Treasury, agencies and GSEs	34,249		32,273
State and political subdivisions	44,321		39,199
Corporate	10,077		9,630
Asset backed securities	16,527		13,613
Residential mortgage-backed - US agency	20,408		22,164
Collateralized mortgage obligations - US agency	9,400		12,285
Collateralized mortgage obligations - Private label	63,147		56,731
Investment securities - available-for-sale	198,129		185,895
Other Securities:
Total available-for-sale securities	198,129		185,895
Interest rate swap derivative fair value hedges	(7,063)		(1,460)
Interest rate swap derivative cash flow hedges	584		(387)
Recurring Basis [Member] | Level 2 [Member] | Total Fair Value [Member]
Other Securities:
Private equity securities	677
Recurring Basis [Member] | Level 1, 2 and 3 [Member] | Total Fair Value [Member]
Debt investment securities:
US Treasury, agencies and GSEs	34,249		32,273
State and political subdivisions	44,321		39,199
Corporate	10,077		9,630
Asset backed securities	16,527		13,613
Residential mortgage-backed - US agency	20,408		22,164
Collateralized mortgage obligations - US agency	9,400		12,285
Collateralized mortgage obligations - Private label	63,147		56,731
Investment securities - available-for-sale	198,129		185,895
Other Securities:
Corporate measured at NAV			4,497
Total available-for-sale securities	203,167		190,598
Private equity securities	677		677
Interest rate swap derivative fair value hedges			(1,460)
Interest rate swap derivative cash flow hedges	584		(387)
Recurring Basis [Member] | Level 1, 2 and 3 [Member] | Total Fair Value [Member] | Mutual funds Common Stock Financial Services Industry [Member]
Equity investment securities:
Common stock, equity securities	206		206
Recurring Basis [Member] | Net Asset Value [Member] | Total Fair Value [Member]
Debt investment securities:
Investment securities - available-for-sale		$ 4,652	$ 4,497
Other Securities:
Corporate measured at NAV	$ 4,832

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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