Investments in Preferred Stock (Tables)

3 Months Ended

Mar. 31, 2017

Investment in Preferred Stock [Abstract]

Schedule of Changes in Level 3 Investments

The following table summarizes the changes in the Level 3 investments in preferred stock during the three months ended March 31, 2017.

	Three Months Ended   March 31, 2017
Beginning balance	$	129,545
Purchase of preferred stock	766
Dividend income from investments in preferred stock	3,926
Unrealized appreciation in the fair value of the investments in preferred stock	424
Ending balance	$	134,661