Accumulated Other Comprehensive Income (“AOCI”) - Components of Other Comprehensive Loss (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Before Tax Amount
Total other comprehensive loss	$ (21,860,000)	$ 24,394,000	$ 41,558,000
Tax Effect
Total other comprehensive loss	5,413,000	(5,964,000)	(10,160,000)
Net of Tax Amount
Change in fair value arising during the period	(12,960,000)	39,941,000	32,810,000
Cumulative effect of change in accounting principle	0	0	872,000
Reclassification adjustment for net gains included in net income	(3,624,000)	(19,781,000)	(2,571,000)
Change in fair value arising during the period	137,000	(1,730,000)	287,000
Other comprehensive (loss) income	(16,447,000)	18,430,000	31,398,000
Net unrealized losses on available for sale securities:
Before Tax Amount
Change in fair value arising during the period	(17,264,000)	52,866,000	43,427,000
Cumulative effect of change in accounting principle			1,155,000
Reclassification adjustment for net gains included in net income	(4,266,000)	(25,124,000)	(1,874,000)
Change in fair value arising during the period			42,708,000
Total other comprehensive loss	(21,530,000)	27,742,000
Tax Effect
Change in fair value arising during the period	4,304,000	(12,925,000)	(10,617,000)
Cumulative effect of change in accounting principle			(283,000)
Reclassification adjustment for net gains included in net income	1,028,000	6,143,000	458,000
Change in fair value arising during the period			(10,442,000)
Total other comprehensive loss	5,332,000	(6,782,000)
Net of Tax Amount
Change in fair value arising during the period	(12,960,000)	39,941,000	32,810,000
Cumulative effect of change in accounting principle			872,000
Reclassification adjustment for net gains included in net income	(3,238,000)	(18,981,000)	(1,416,000)
Change in fair value arising during the period			32,266,000
Other comprehensive (loss) income	(16,198,000)	20,960,000
Net unrealized losses on interest rate swaps designated as cash flow hedges:
Before Tax Amount
Reclassification adjustment for net gains included in net income	(508,000)	(1,059,000)	(1,529,000)
Change in fair value arising during the period	178,000	(2,289,000)	379,000
Total other comprehensive loss	(330,000)	(3,348,000)	(1,150,000)
Tax Effect
Reclassification adjustment for net gains included in net income	122,000	259,000	374,000
Change in fair value arising during the period	(41,000)	559,000	(92,000)
Total other comprehensive loss	81,000	818,000	282,000
Net of Tax Amount
Reclassification adjustment for net gains included in net income	(386,000)	(800,000)	(1,155,000)
Change in fair value arising during the period	137,000	(1,730,000)	287,000
Other comprehensive (loss) income	$ (249,000)	$ (2,530,000)	$ (868,000)