Leases Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

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

	Three Months Ended March 31, 2019
Operating lease cost	$	2,470
Short-term, variable and other lease costs	600
Total lease cost	$	3,070

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)
2019 (excluding the three months ended March 31, 2019)	$	7,310
2020	9,060
2021	7,440
2022	4,920
2023	4,000
Thereafter	12,450
Total lease payments	45,180
Less: Imputed interest	(6,550		)
Present value of lease liabilities	$	38,630

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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.