Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Components Of Lease Expense

	For the three months
	ended March 31,
Amounts in thousands	2019
Operating lease expense	$	1,478
Finance lease expense:
Amortization of right-of-use assets	$	32
Interest on lease liabilities		3
Total finance lease expense	$	35
Short-term lease expense	$	138
Variable lease expense	$	681

Supplemental Cash Flow Information Related To Leases

	For the three months
	ended March 31,
Amounts in thousands	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$	3
Operating cash flows from operating leases		1,108
Financing cash flows from finance leases		54

Supplemental Balance Sheet Information Related To Leases

	As of
Amounts in thousands	March 31, 2019
Operating leases
Leased right-of-use assets, net	$	37,716
Current portion of operating lease liabilities		3,270
Operating lease liabilities, net of current portion		37,045
Total operating lease liabilities		40,315
Finance leases
Finance lease right-of-use assets, gross		686
Accumulated depreciation		(360)
Leased right-of-use assets, net		326
Current portion of finance lease liabilities		83
Finance lease liabilities, net of current portion		48
Total finance lease liabilities		131
Weighted-average remaining lease term
Operating leases		15.9 years
Finance leases		1.6 years
Weighted-average discount rate
Operating leases		4.9%
Finance leases		6.7%

Maturities Of Lease Liabilities

Amounts in thousands		Operating leases	Finance leases
Remaining 2019	$	4,155	$	98
2020		4,835		50
2021		4,761		17
2022		4,524		—
2023		3,895		—
Thereafter		40,253		—
Total lease payments		62,423		165
Less imputed interest		(22,108)		(34)
Total	$	40,315	$	131