Related Party Transactions - Narrative (Details)	Mar. 31, 2017 shares
President and CEO | Promissory Note | Promissory Note with Stockholder Representative
Related Party Transaction [Line Items]
Interest in note payable, percentage	27.00%
Main Street Capital Corporation
Related Party Transaction [Line Items]
Common shares owned by stockholder (in shares)	7,711,517
Common shares owned by stockholder, percentage	21.00%