Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income		$ (7,397)	$ 2,396
Unrealized gain (loss) on securities available-for-sale:
Unrealized gain (loss) arising during the period	[1]	5,504	(37,260)
Reclassification adjustment for gain included in net income	[1]	(20)	(14)
Unrealized gain (loss) arising during the period	[1]	5,484	(37,274)
Unrealized (loss) gain on cash flow hedge:
Unrealized gain arising during the period	[1]	1,963	11,693
Reclassification adjustment for gain included in net income	[1]	(5,472)	(356)
Unrealized (loss) gain on cash flow hedge	[1]	(3,509)	11,337
Post-Retirement plans:
Net benefit arising from plan amendment	[1],[2]	0	504
Net gain (loss) arising during the period	[1]	0	858
Net actuarial (loss) gain	[1]	(136)	228
Unrealized (loss) gain on post-retirement plans	[1]	(136)	1,590
Total other comprehensive income (loss), net of tax	[1]	1,839	(24,347)
Comprehensive loss		$ (5,558)	$ (21,951)

[1] Includes a deferred tax valuation allowance equal to the net tax benefit.

[2] Benefit arising from plan amendment approved in June 2022