Leases (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Leases [Abstract]
Extended lease term	5 years
Operating lease expense	$ 3,000
Cash paid for operating leases	2,500
Right-of-use assets in exchange for operating lease obligations	2,400
Right of use assets	20,800
Operating lease, other accrued expenses	7,900
Operating lease, other liabilities	$ 12,900
Weighted average remaining operating lease term	3 years 8 months 12 days
Weighted average discount rate for operating leases	3.80%
Maturities of Operating Lease Liabilities [Abstract]
2019	$ 6,537
2020	6,998
2021	3,715
2022	1,800
2023	1,044
Thereafter	2,330
Total lease payments	22,424
Less imputed interest	(1,651)
Present value of lease liabilities	$ 20,773