Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lessee, Operating Leases, Statement of Position location and balances [Table Text Block]

	2019		Balance Sheet Location
Right-of-use assets, net	$	88,143	Other non-current assets
Current lease liability	$	26,410	Accrued and other liabilities
Non-current lease liability	62,320		Other non-current liabilities
Total operating lease liability	$	88,730

Lease, Cost [Table Text Block]

	Three months ended		Six months ended
Operating lease expense	$	8,412	$	16,630
Variable lease expense	746		1,628
Short-term lease expense	429		820
Total lease expense	$	9,587	$	19,078
Weighted average remaining lease term			6.6 years
Weighted average discount rate			2.9		%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

The following is a maturity analysis of the annual undiscounted cash flows for the annual periods ended June 30:

2020	$	28,641
2021	21,429
2022	13,325
2023	8,493
2024	5,008
Thereafter	22,131
Total lease payments	99,027
Less imputed interest	(10,297		)
Total operating lease liability	$	88,730

The future minimum lease payments under non-cancellable leases as of December 31, 2018:

2019	$	32,113
2020	23,771
2021	16,986
2022	9,855
2023	7,435
Thereafter	5,081
Total lease payments	$	95,241