Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income tax expense (benefit)	$ (958,000)	$ (5,496,000)
Deferred tax expense (benefit)	(1,000,000)	(5,600,000)
Deferred tax benefit for unrealized gains for securities	1,358,000	5,626,000
Reversal of deferred tax benefit	251,000
Unrecognized tax benefits	2,900,000	2,800,000
State and foreign tax authority
Income tax expense (benefit)	$ 149,000	$ 130,000