Share-Based Payment Arrangements - Guaranty Plan (Details) - USD ($)		12 Months Ended
	Dec. 10, 2013	Dec. 31, 2015	Dec. 31, 2014
Weighted-Average Grant-Date Fair Value
Canceled, Expired or Forfeited			$ 0
Guaranty Plan [Member]
Number of Shares
Nonvested - Beginning of Year		2,382,416	3,607,179
Granted	3,681,000	0	0
Vested		(1,224,763)	(1,224,763)
Canceled, Expired or Forfeited		0	0
Nonvested - End of Year		1,157,653	2,382,416
Weighted-Average Grant-Date Fair Value
Nonvested - Beginning of Year	$ 2,208,600	$ 1,429,449	$ 2,164,307
Granted		0	0
Vested		(734,856)	(734,858)
Canceled, Expired or Forfeited		0	0
Nonvested - End of Year		$ 694,593	$ 1,429,449