INCOME PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Preferred shares portions of net income (as a percent)		18.00%		12.00%
Net income attributable to Diplomat Pharmacy, Inc.	$ 3,390	$ 1,675	$ 6,249	$ 3,365
Less net income allocable to preferred shareholders		299		401
Net income allocable to common shareholders	$ 3,390	$ 1,376	$ 6,249	$ 2,964
Weighted average common shares outstanding, basic (in shares)	62,610,850	30,748,750	57,279,670	31,400,210
Weighted average dilutive effect of stock options and restricted stock awards	2,184,512	2,555,278	2,565,950	2,700,910
Weighted average common shares outstanding, diluted (in shares)	64,795,362	33,304,028	59,845,620	34,101,120
Net income per common share:
Basic (in dollars per share)	$ 0.05	$ 0.04	$ 0.11	$ 0.09
Diluted (in dollars per share)	$ 0.05	$ 0.04	$ 0.10	$ 0.09
Contingent consideration
Net income per common share:
Anti-dilutive options excluded (in shares)	1,350,309		1,350,309
Performance-based stock options
Net income per common share:
Anti-dilutive options excluded (in shares)	678,234	871,293	678,234	871,293
Service-based stock options
Net income per common share:
Anti-dilutive options excluded (in shares)	494,500	679,629	494,500	679,629