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Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Gain on Sale of Discontinued Operations
(in thousands) Year ended December 31,
  2015
Proceeds from sale of MH-LLC $24,000 
Net assets and liabilities disposed of 9,998 
Noncontrolling interest 256 
Expenses of sale of MH-LLC 439 
Gain on sale of discontinued operations, before tax 13,307 
Income tax expense 998 
Gain on sale of discontinued operations $12,309