Share-Based Payment Arrangements - Guaranty Plan (Details) - USD ($)		12 Months Ended
	Dec. 10, 2013	Dec. 31, 2016	Dec. 31, 2015
Weighted-Average Grant-Date Fair Value
Canceled, Expired or Forfeited			$ 0
Guaranty Plan [Member]
Number of Shares
Nonvested - Beginning of Year		1,157,653	2,382,416
Granted	3,681,000	0	0
Vested		(1,157,653)	(1,224,763)
Canceled, Expired or Forfeited		0	0
Nonvested - End of Year		0	1,157,653
Weighted-Average Grant-Date Fair Value
Nonvested - Beginning of Year	$ 2,208,600	$ 694,591	$ 1,429,449
Granted		0	0
Vested		(694,591)	(734,858)
Canceled, Expired or Forfeited		0	0
Nonvested - End of Year		$ 0	$ 694,591