Income Taxes Income Tax (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Line Items]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The provision for income taxes includes the following:

	Year Ended December 31,
	2015			2014			2013
	(Dollars in thousands)
Current provision for income taxes:
Federal	$	10,822		$	4,722		$	195
State	3,386			1,343			56
Total	14,208			6,065			251
Deferred (benefit) provision for income taxes:
Federal	(1,522		)	(4,600		)	—
State	(153		)	(1,219		)	39
Total	(1,675		)	(5,819		)	39
Provision for income taxes	$	12,533		$	246		$	290

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The effective tax rate differs from the federal statutory rate of 35% due to the following items:

	Year Ended December 31,
	2015			2014			2013
	(Dollars in thousands)
Income before income taxes	$	33,911		$	5,003		$	6,996
Less: Non-taxable entities income	—			—			6,365
Income before taxes of taxable entities	$	33,911		$	5,003		$	631
Provision for income taxes at federal statutory rate	$	(11,869	)	$	(1,751	)	$	(215	)
(Increases) decreases in tax resulting from:
State income taxes, net of federal benefit	(1,979		)	(293		)	(36		)
Manufacturing deduction	1,274			225			—
Deferred tax assets upon conversion to a corporation	—			1,495			—
Tax rate change	—			100			—
State tax credits	—			—			(39		)
Other	41			(22		)	—
Provision for income taxes	$	(12,533	)	$	(246	)	$	(290	)
Effective tax rate	37.0		%	4.9		%	46.0		%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The components of our deferred income tax asset are as follows:

	December 31,
	2015			2014
	(Dollars in thousands)
State tax	$	1,300		$	405
Reserves and accruals	2,128			1,096
Intangible assets	548			313
Share based compensation	1,999			817
Inventory	868			2,468
Investments in joint ventures	822			883
Depreciation	(149		)	(141		)
Net deferred tax asset	$	7,516		$	5,841