Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2018

The components of lease expense were as follows (in thousands):



	Three Months Ended March 31,
	2018		2017
Finance lease cost:
Amortization of right-of-use assets	$	2,634	$	2,824
Interest on lease liabilities	119		197
Operating lease cost	2,629		2,511
Short-term lease cost	201		103
Variable lease cost	777		685
Total lease cost	$	6,360	$	6,320

Other information related to leases was as follows (in thousands):



	Three Months Ended March 31,
	2018			2017
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	2,600		$	2,523
Operating cash flows from finance leases	109			179
Financing cash flows from finance leases	2,159			2,802
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	1,117			3,360
Weighted average remaining lease term (years):
Operating leases	3.9			4.3
Finance leases	1.9			2.6
Weighted average discount rate:
Operating leases	4.1		%	4.0		%
Finance leases	3.1		%	3.0		%

Future minimum lease payments under non-cancellable leases as of March 31, 2018 were as follows (in thousands):



	Operating Leases			Finance Leases
2018	$	9,914		$	6,989
2019	6,734			3,750
2020	4,916			560
2021	3,424			210
2022	2,482			42
Thereafter	1,361			13
Total future lease payments	28,831			11,564
Less: Amount representing interest	(2,112		)	(389		)
Present value of future payments	26,719			11,175
Less: Current portion	(9,056		)	(6,737		)
Long-term portion	$	17,663		$	4,438

Future minimum lease payments under non-cancellable leases as of March 31, 2018 were as follows (in thousands):



	Operating Leases			Finance Leases
2018	$	9,914		$	6,989
2019	6,734			3,750
2020	4,916			560
2021	3,424			210
2022	2,482			42
Thereafter	1,361			13
Total future lease payments	28,831			11,564
Less: Amount representing interest	(2,112		)	(389		)
Present value of future payments	26,719			11,175
Less: Current portion	(9,056		)	(6,737		)
Long-term portion	$	17,663		$	4,438