Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Contingencies - Legal Matters

Schedule of minimum future rental commitments under non-cancelable operating leases

Minimum future rental commitments under non‑cancelable operating leases follow (dollars in thousands):

	Aggregate
Year Ending December 31,	Amount
2018	$	13,514
2019		13,542
2020		12,161
2021		11,559
2022		10,402
2023 and thereafter		60,301
Total	$	121,479