Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY - Restricted Stock Activity (Details)

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STOCKHOLDERS' EQUITY - Restricted Stock Activity (Details) - 2016 Plan - $ / shares
12 Months Ended
Feb. 01, 2018
Jan. 24, 2017
Dec. 31, 2018
Dec. 31, 2017
Restricted Stock        
Shares        
Nonvested, beginning balance (in shares)     58,032 38,256
Granted (in shares) 34,202 56,260 34,202 56,260
Vested (in shares)     (46,748) (35,336)
Forfeited (in shares)       (1,148)
Nonvested, ending balance (in shares)     45,486 58,032
Wtd. Avg. Price at Date of Issuance        
Nonvested, beginning balance (in dollars per share)     $ 28.59 $ 34.13
Granted (in dollars per share)     16.19 25.44
Vested (in dollars per share)     26.31 29.58
Forfeited (in dollars per share)       28.55
Nonvested, ending balance (in dollars per share)     $ 21.61 $ 28.59
Other Restricted Stock        
Shares        
Nonvested, beginning balance (in shares)     0 22,348
Vested (in shares)       (21,930)
Forfeited (in shares)       (418)
Nonvested, ending balance (in shares)       0
Wtd. Avg. Price at Date of Issuance        
Nonvested, beginning balance (in dollars per share)     $ 0 $ 12.15
Vested (in dollars per share)       12.15
Forfeited (in dollars per share)       12.28
Nonvested, ending balance (in dollars per share)       $ 0