Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 1,122	$ 1,539
Salaries and Employee Benefits	11,286	11,138
Total before Tax	16,273	16,733
Provision for income taxes	(3,698)	(3,453)
Net Income	12,575	13,280
Amounts Reclassified from Accumulated Other Comprehensive Income | Unrealized Loss on Cash Flow Swap
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	29	28
Amounts Reclassified from Accumulated Other Comprehensive Income | Amortization of Defined Benefit Pension, Prior-Service Costs
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Employee Benefits	(7)	(59)
Amounts Reclassified from Accumulated Other Comprehensive Income | Amortization of Defined Benefit Pension, Actuarial Loss
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Employee Benefits	(57)	(46)
Amounts Reclassified from Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before Tax	(35)	(77)
Provision for income taxes	8	20
Net Income	$ (27)	$ (57)