Lease Commitments Leases - Other Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Lease renewal options	6 years
Lease terminate option	options to terminate the leases within 1 year
Right-of-Use Asset obtained	$ 9,100
Operating cash flows from leases	$ 11,137
Weighted average remaining lease term (years)	8 years 4 months 9 days
Weighted average discount rate	4.93%
Minimum
Lessee, Lease, Description [Line Items]
Lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term	14 years