Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 10,276
Short-term lease cost	0
Variable lease cost	6,867
Total lease cost	17,143
Cash paid for amounts included in the measurement of operating lease liabilities	9,986
Right-of-use assets	84,979	$ 0
Current (included in Accrued liabilites - Other in our Consolidated Balance Sheet	811
Lease liability	$ 84,528	0
Weighted-average remaining lease term - operating leases (years)	15 years
Weighted-average discount rate - operating leases	4.65%
Prior to adopting ASU 2016, total rent expense		$ 10,800	$ 11,000
2020	$ 4,073
2021	9,633
2022	9,613
2023	9,617
2024	9,318
Thereafter	83,530
Total future lease payments	125,784
Less amount representing interest	40,445
Total obligations under operating leases	$ 85,339