Note 9 - Leases (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended
	March 31, 2019
	(Dollars in thousands)
Operating lease cost 1	$	1,980
Less: Sublease income (Note 20)		(37	)
Net lease cost	$	1,943

Schedule of Lease Cash Flow Information [Table Text Block]

	Three Months Ended
	March 31, 2019
	(Dollars in thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,771
Leased assets obtained in exchange for new operating lease liabilities	$	1,477

Schedule of Lease Terms and Discount Rates [Table Text Block]

	March 31, 2019
Weighted-average remaining lease term (in years)		6.8
Weighted-average discount rate		5.5	%

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

	Year Ended
	December 31,
	(Dollars in thousands)
2019 (excluding the three months ended March 31, 2019)	$	5,315
2020		6,317
2021		6,066
2022		5,752
2023		5,148
Thereafter		13,118
Total operating lease payments 1	$	41,716
Less: Interest		7,133
Present value of operating lease liabilities 2	$	34,583