CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net income		$ 25,887	$ 23,699	$ 11,215
Unrealized (losses) gains on available-for-sale securities:
Unrealized holding (losses) gains		(27,478)	(6,059)	3,660
Reclassification adjustment for net losses (gains) realized in income	[1]	4	72	(1,965)
Unrealized (losses) gains		(27,474)	(5,987)	1,695
Tax effect		7,037	1,499	(410)
Net-of-tax amount		(20,437)	(4,488)	1,285
Cash flow hedges:
Change in fair value of derivatives used for cash flow hedges				(1,254)
Reclassification adjustment for loss realized in income for interest rate swap termination	[2]		402	2,353
Reclassification adjustment for loss realized in interest expense	[3]			674
Reclassification adjustment for termination fee realized in interest expense	[4]		282	842
Unrealized gains on cash flow hedges			684	2,615
Tax effect			(192)	(736)
Net-of-tax amount			492	1,879
Defined benefit pension plan:
Gains (losses) arising during the period		7,386	3,209	(8,037)
Reclassification adjustment for gain realized in income for defined benefit plan curtailment	[5]	2,807
Amortization of defined benefit plan actuarial loss	[6]	531	910	421
Unrecognized actuarial gains (losses) on defined benefit plan		10,724	4,119	(7,616)
Tax effect		(3,015)	(1,158)	2,141
Net-of-tax amount		7,709	2,961	(5,475)
Other comprehensive loss		(12,728)	(1,035)	(2,311)
Comprehensive income		$ 13,159	$ 22,664	$ 8,904

[1] Realized gains and losses on available-for-sale securities are recognized as a component of non-interest income in the consolidated statements of net income.  The tax effects associated with the reclassification adjustments were $(1,000), $(15,000) and $502,000 for the years ended December 31, 2022, 2021 and 2020, respectively.

[2] Loss realized in income on interest rate swap termination is recognized as a component of non-interest income.  Income tax effects associated with the reclassification adjustments were $113,000 and $661,000 for the years ended December 31, 2021 and 2020.

[3] Loss realized in interest expense on derivative instruments is recognized as a component of interest expense on long-term debt in the consolidated statements of net income. Income tax effects associated with the reclassification adjustment was $189,000 for the year ended December 31, 2020.

[4] Termination fee realized in interest expense on derivative instruments is recognized as a component of interest expense on long-term debt in the consolidated statements of net income. Income tax effects associated with the reclassification adjustments were $79,000 and $237,000 for the years ended December 31, 2021 and 2020, respectively.

[5] Realized gains on defined benefit plan curtailment are recognized as a component of non-interest income in the consolidated statements of net income.  The tax effects associated with the reclassification adjustment were $789,000 for the year ended December 31, 2022.

[6] Amounts represent the reclassification of defined benefit plan amortization and have been recognized as a component of non-interest expense in the consolidated statements of net income.  Income tax effects associated with the reclassification adjustments were $149,000, $256,000 and $118,000 for the years ended December 31, 2022, 2021 and 2020, respectively.