Income Taxes (Tables)

6 Months Ended

Jun. 30, 2017

Income Taxes

Schedule of reconciliation of unrecognized tax benefits

	Six Months Ended June 30,
	2017						2016
			Interest						Interest
			and						and
(dollars in thousands)	Tax		Penalties		Total		Tax		Penalties		Total
Balance at January 1,	$	127,085	$	9,965	$	137,050	$	5,903	$	2,935	$	8,838
Additions for current year tax positions		1,478		—		1,478		6,297		1,075		7,372
Additions for Reorganization Transactions		—		226		226		115,877		5,459		121,336
Additions for prior years' tax positions:
Accrual of interest and penalties		—		209		209		—		67		67
Reductions for prior years' tax positions:
Expiration of statute of limitations		(254)		(101)		(355)		(353)		(144)		(497)
Balance at June 30,	$	128,309	$	10,299	$	138,608	$	127,724	$	9,392	$	137,116