Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income (loss)	$ (16,947,614)	$ (5,130,327)
Other comprehensive income (loss):
Increase (decrease) in net unrealized gain on available-for-sale securities, net	(2,246,013)	2,555,987
Reclassification adjustment for net gain (loss) included in net income (loss)	1,123,693	0
Reclassification adjustment for other-than-temporary impairments included in net income (loss)	20,994	4,868,428
Reclassification cumulative adjustment for Linked Transactions	0	4,457,544
Total other comprehensive income (loss)	(1,101,326)	11,881,959
Less: Dividends to preferred stockholders	(880,509)	(880,509)
Comprehensive income (loss) attributable to common stockholders	$ (18,929,449)	$ 5,871,123