Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Assets And Liabilities, Leases

Lease-related assets and liabilities consisted of the following:

	Classification on the Balance Sheet	June 30, 2019
ASSETS
Operating lease assets	Operating right-of-use assets	$	32,175
Finance lease assets	Property, plant and equipment, net	10,816
Total lease assets		42,991
LIABILITIES
Current
Operating	Operating lease liabilities	$	6,725
Finance	Current portion of finance leases	631
Noncurrent
Operating	Noncurrent operating lease liabilities	25,486
Finance	Finance leases, less current portion	8,483
Total lease liabilities		$	41,325
Weighted average remaining lease term
Operating leases		5.9 years
Finance leases		11.4 years
Weighted average discount rate
Operating leases		5.2		%
Finance leases		4.7		%

Lease, Cost

Lease-related expenses for the three and six months ended June 30, 2019 were as follows:

	Three Months Ended June 30, 2019			Six Months Ended June 30, 2019
Finance lease expense:
Amortization of finance lease assets	$	262		$	523
Interest on finance lease liabilities	107			216
Operating lease expense	2,162			4,317
Variable lease expense	196			331
Short-term lease expense	6			22
Sublease income (1)	(185		)	(428		)
Total lease expense	$	2,548		$	4,981
(1)Relates primarily to one property subleased through September 2020.

Lease-related supplemental cash flow information for the six months ended June 30, 2019 was as follows:

	Six Months Ended June 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	(4,323	)
Operating cash flows for finance leases	(216		)
Financing cash flows for finance leases	(301		)
Lease obligations obtained in exchange for right-of-use assets
Operating leases	812
	$	(4,028	)

Lessee, Operating Lease, Liability, Maturity

Maturities of lease liabilities as of June 30, 2019 were as follows:

Year ending December 31,	Finance Leases			Operating Leases
2019 (excluding the six months ended June 30, 2019)	$	518		$	4,429
2020	991			7,579
2021	955			6,738
2022	975			5,699
2023	992			4,789
Later years	7,377			8,062
Total lease payments	11,808			37,296
Less: imputed interest	(2,694		)	(5,085		)
Total lease obligations	$	9,114		$	32,211

Finance Lease, Liability, Maturity

Maturities of lease liabilities as of June 30, 2019 were as follows:

Year ending December 31,	Finance Leases			Operating Leases
2019 (excluding the six months ended June 30, 2019)	$	518		$	4,429
2020	991			7,579
2021	955			6,738
2022	975			5,699
2023	992			4,789
Later years	7,377			8,062
Total lease payments	11,808			37,296
Less: imputed interest	(2,694		)	(5,085		)
Total lease obligations	$	9,114		$	32,211

Schedule of Future Minimum Rental Payments for Operating and Capital Leases

Comparable future minimum rental payments under leases that have initial or remaining non-cancelable lease terms in excess of one year as previously disclosed under Accounting Standards Codification No. 840, (Leases) ("ASC 840") as of December 31, 2018 are as follows:

Year ending December 31,	Finance Leases		Operating Leases		Built-to-Suit Lease
2019 (full twelve months)	$	119	$	7,882	$	915
2020	56		7,398		933
2021	2		6,414		952
2022	2		5,702		971
2023	1		4,828		990
Later years	—		8,068		7,461
Total future minimum rental payments under ASC 840	$	180	$	40,292	$	12,222

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

Comparable future minimum rental payments under leases that have initial or remaining non-cancelable lease terms in excess of one year as previously disclosed under Accounting Standards Codification No. 840, (Leases) ("ASC 840") as of December 31, 2018 are as follows:

Year ending December 31,	Finance Leases		Operating Leases		Built-to-Suit Lease
2019 (full twelve months)	$	119	$	7,882	$	915
2020	56		7,398		933
2021	2		6,414		952
2022	2		5,702		971
2023	1		4,828		990
Later years	—		8,068		7,461
Total future minimum rental payments under ASC 840	$	180	$	40,292	$	12,222