Right-Of-Use Assets and Lease Liabilities - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) director lease	Dec. 31, 2020 USD ($) lease	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Number of lease contracts | lease	48
Number of operating lease agreements | lease	45
Number of financing leases | lease	3
Operating lease expense	$ 5,135	$ 5,711	$ 4,221
Number of new leases | lease	1
Increase (decrease) in operating lease liability	$ 3,000
Increase (decrease) in operating lease liability, right of use assets	3,000
Number of operating leases considered abandoned | lease		2
Reduction (increase) of right-of-use asset value		$ 500
Right-of-use asset value after reduction		0
Reduction of operating lease liability		200
Expense recognized from lease abandonment	$ 300
Related party, lease with S&T Director
Lessee, Lease, Description [Line Items]
Number of directors | director	1
Operating lease expense	$ 200	$ 200	$ 200