Goodwill and Other Intangible Assets (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Changes in the carrying amount of goodwill
Balance at beginning of the period	$ 0	$ 34,510
Purchase consideration		0
Impairment	0	(34,510)
Balance at the end of the period	0	0
Changes in the carrying amount of other intangibles with definite lives
Amortization	(113)	(713)
Intangible assets with definite lives
Changes in the carrying amount of other intangibles with definite lives
Balance at the beginning of the period	2,589	3,302
Amortization	(113)	(713)
Disposition	(2,476)
Balance at the end of the period	$ 0	$ 2,589