Leases (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Leases [Abstract]
Extended lease term	5 years	5 years
Operating lease expense	$ 2,700	$ 8,500
Cash paid for operating leases		7,400
Right-of-use assets in exchange for operating lease obligations		6,500
Right of use assets	20,100	20,100
Operating lease, other accrued expenses	8,000	8,000
Operating lease, other liabilities	$ 12,100	$ 12,100
Weighted average remaining operating lease term	3 years 7 months 6 days	3 years 7 months 6 days
Weighted average discount rate for operating leases	4.50%	4.50%
Maturities of Operating Lease Liabilities [Abstract]
2019	$ 2,383	$ 2,383
2020	8,133	8,133
2021	4,696	4,696
2022	2,457	2,457
2023	1,474	1,474
Thereafter	2,682	2,682
Total lease payments	21,825	21,825
Less imputed interest	(1,762)	(1,762)
Present value of lease liabilities	$ 20,063	$ 20,063