Leases Leases (Tables)

9 Months Ended

Sep. 30, 2020

Leases [Abstract]

Lease, Cost [Table Text Block]

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

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Operating lease cost	$	2,110	$	1,610	$	5,780	$	4,750
Short-term, variable and other lease costs	410		230		990		640
Total lease cost	$	2,520	$	1,840	$	6,770	$	5,390

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

Maturities of lease liabilities are as follows (dollars in thousands):

Year ended December 31,	Operating Leases(a)
2020 (excluding the nine months ended September 30, 2020)	$	2,080
2021	7,680
2022	6,900
2023	5,940
2024	4,730
Thereafter	14,590
Total lease payments	41,920
Less: Imputed interest	(5,330)
Present value of lease liabilities	$	36,590

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(a)     The maturity table excludes cash flows associated with exited lease facilities. Liabilities for exited lease facilities are included in accrued liabilities and other long-term liabilities in the accompanying consolidated balance sheet.