Leases Schedule of Lease Expense (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

For the three and nine months ended September 30, 2019, the Company had the following:

	Three Months Ended		Nine Months Ended
(Dollars in thousands)	September 30, 2019		September 30, 2019
Operating lease expense	$	1,534	$	4,626
Variable lease expense	427		1,305
Short-term lease expense	429		1,306
Total lease expense	$	2,390	$	7,237
			As of September 30, 2019
Weighted-average remaining lease term			4.2 years
Weighted-average discount rate			5.0		%