Cash, cash equivalents and restricted cash (Tables)

6 Months Ended

Jun. 30, 2017

Cash, cash equivalents and restricted cash

Schedule of reconciliation of cash, cash equivalents and restricted cash

	June 30,
	2017			2016
	(dollars in thousands)
Cash and cash equivalents	$	108,558	$	60,981
Long-term restricted cash		6,793		6,862
Total cash, cash equivalents and long-term restricted cash	$	115,351	$	67,843