Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Taxes

Schedule of reconciliation of unrecognized tax benefits

	Six Months Ended June 30,
	2018						2017
			Interest						Interest
			and						and
(dollars in thousands)	Tax		Penalties		Total		Tax		Penalties		Total
Balance at January 1,	$	130,619	$	10,660	$	141,279	$	127,085	$	9,965	$	137,050
Additions for current year tax positions		819		—		819		1,478		—		1,478
Additions for Reorganization Transactions		—		—		—		—		226		226
Additions for prior years' tax positions:
Accrual of interest and penalties		—		509		509		—		209		209
Reductions for prior years' tax positions:
Expiration of statute of limitations		(140)		(63)		(203)		(254)		(101)		(355)
Other		(515)		—		(515)		—		—		—
Balance at June 30,	$	130,783	$	11,106	$	141,889	$	128,309	$	10,299	$	138,608