Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 115,988	[1]	$ 109,240	[2]
Current period comprehensive income (loss)	(96)		(1,306)
Ending balance	117,807	[3]	115,988	[1]
Net unrealized loss on available for sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(175)		(372)
Current period comprehensive income (loss)	805		197
Ending balance	630		(175)
Unfunded status of the supplemental retirement plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(675)		(459)
Current period comprehensive income (loss)	(95)		(216)
Ending balance	(770)		(675)
Net unrealized gain on junior subordinated debentures
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	218		1,505
Current period comprehensive income (loss)	(806)		(1,287)
Ending balance	(588)		218
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(632)	[1]	674	[2]
Current period comprehensive income (loss)	(96)		(1,306)
Ending balance	$ (728)	[3]	$ (632)	[1]

[1] (2) Excludes 35,572 unvested restricted shares

[2] (1) Excludes 59,217 unvested restricted shares

[3] (3) Excludes 11,924 unvested restricted shares