Lease Commitments - Lease Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) lease	Jan. 01, 2019 USD ($)
Leases
Lease, Practical Expedients, Package	true
Lease, Practical Expedient, Use of Hindsight	true
Number of lease locations | lease	18
Number of operating leases | lease	16
Number of finance leases | lease	2
Options to renew	true
Renewal term of the lease	5 years
ASU 2016-02 | Restatement Adjustment
Leases
Lease right-of-use asset | $		$ 3,600
Lease liability | $		$ 3,600
Maximum
Leases
Initial term of leases not recorded on the balance sheet	12 months
Threshold of discounted present value of future cash flows below which a lease is not recorded on the balance sheet | $	$ 25,000
Term of lease including available lease renewal options	15 years