Leases (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Leases [Abstract]
Extended lease term	5 years	5 years
Operating lease expense	$ 2,800	$ 5,800
Cash paid for operating leases		5,000
Right-of-use assets in exchange for operating lease obligations		5,000
Right of use assets	21,200	21,200
Operating lease, other accrued expenses	8,100	8,100
Operating lease, other liabilities	$ 13,100	$ 13,100
Weighted average remaining operating lease term	3 years 8 months 12 days	3 years 8 months 12 days
Weighted average discount rate for operating leases	4.40%	4.40%
Maturities of Operating Lease Liabilities [Abstract]
2019	$ 4,655	$ 4,655
2020	7,789	7,789
2021	4,303	4,303
2022	2,224	2,224
2023	1,422	1,422
Thereafter	2,699	2,699
Total lease payments	23,092	23,092
Less imputed interest	(1,911)	(1,911)
Present value of lease liabilities	$ 21,181	$ 21,181