Leases Topic 842 Additional Information (Details) (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Operating Leased Assets [Line Items]
Operating Lease, Right-of-Use Asset	$ 47,777,000	$ 48,642,000
Operating Lease, Liability	$ 52,086,000	52,894,000
Accounting Standards Update 2016-02 [Member]
Operating Leased Assets [Line Items]
Operating Lease, Right-of-Use Asset		38,500,000
Operating Lease, Liability		$ 41,800,000