Income Taxes (Notes)

6 Months Ended

Jun. 30, 2018

Income Tax [Abstract]

Income Tax Disclosure [Text Block]

Income Taxes

The Company has certain subsidiaries that have elected to be treated as corporations for U.S. federal income tax purposes. As of both June 30, 2018 and December 31, 2017, one such subsidiary had a deferred tax asset, resulting from a net operating loss carryforward, which was fully reserved through a valuation allowance. As of June 30, 2018, the deferred tax asset and the valuation allowance were valued at $4.6 million and $(4.6) million, respectively.