Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Ingeus Acquisition [Member]
Common Stock [Member]
Ingeus Acquisition [Member]
Additional Paid-in Capital [Member]
Ingeus Acquisition [Member]
Retained Earnings [Member]
Ingeus Acquisition [Member]
AOCI Attributable to Parent [Member]
Ingeus Acquisition [Member]
Treasury Stock [Member]
Ingeus Acquisition [Member]
Noncontrolling Interest [Member]
Ingeus Acquisition [Member]
Matrix Acquisition [Member]
Common Stock [Member]
Matrix Acquisition [Member]
Additional Paid-in Capital [Member]
Matrix Acquisition [Member]
Retained Earnings [Member]
Matrix Acquisition [Member]
AOCI Attributable to Parent [Member]
Matrix Acquisition [Member]
Treasury Stock [Member]
Matrix Acquisition [Member]
Noncontrolling Interest [Member]
Matrix Acquisition [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Noncontrolling Interest [Member]
Total
Balance (in shares) at Dec. 31, 2013                             14,477,312       956,442    
Balance at Dec. 31, 2013                             $ 14 $ 194,363 $ (33,641) $ (1,419) $ (15,641) $ 6,961 $ 150,637
Stock-based compensation                             7,562 7,562
Exercise of employee stock options, including net tax benefit of $2,683 (in shares)                             512,927          
Exercise of employee stock options, including net tax benefit                             13,702 13,702
Restricted stock issued (in shares) 596,915           946,723           74,714       18,504    
Restricted stock issued $ 1 $ (1) $ 1 $ 38,569 $ 38,570 $ (524) (524)
PSC of Canada Exchange Corp. shares exchanged (in shares)                             261,694       39,162    
PSC of Canada Exchange Corp. shares exchanged                             $ 1 6,960 $ (1,521) (6,961) (1,521)
Other                             50 50
Foreign currency translation adjustments, net of tax                             (7,337) (7,337)
Net income attributable to Providence                             20,275 20,275
Balance (in shares) at Dec. 31, 2014                             16,870,285       1,014,108    
Balance at Dec. 31, 2014                             $ 17 261,155 (13,366) (8,756) $ (17,686) 50 221,414
Noncontrolling interests                                        
Stock-based compensation                             26,622 26,622
Exercise of employee stock options, including net tax benefit of $2,683 (in shares)                             247,333       5,718    
Exercise of employee stock options, including net tax benefit                             7,899 $ (299) 7,600
Restricted stock issued (in shares)                             65,447       15,961    
Restricted stock issued                             $ (759) (759)
Foreign currency translation adjustments, net of tax                             (8,075) (8,075)
Net income attributable to Providence                             83,696 83,696
Balance (in shares) at Dec. 31, 2015                             17,186,780       1,895,998    
Balance at Dec. 31, 2015                             $ 17 293,012 69,209 (16,831) $ (54,823) (452) 290,132
Stock repurchase (in shares)                                   816,468    
Stock repurchase                             $ (34,111) (34,111)
Shares surrendered by employees to pay employee taxes related to shares released from escrow (in shares)                           43,743       43,743    
Shares surrendered by employees to pay employee taxes related to shares released from escrow                             $ (1,968) (1,968)
Conversion of convertible preferred stock to common stock                             150 150
Beneficial conversion feature related to preferred stock                             1,071 1,071
Convertible preferred stock dividends                             (2,814) (1,121) (3,935)
Accretion of convertible preferred stock discount                             (1,071) (1,071)
Noncontrolling interests                             (502) (502)
Conversion of convertible preferred stock to common stock (in shares)                             3,715          
Stock-based compensation                             5,154 5,154
Exercise of employee stock options, including net tax benefit of $2,683 (in shares)                             105,788          
Exercise of employee stock options, including net tax benefit                             3,832 3,832
Restricted stock issued (in shares)                             22,793       2,736    
Restricted stock issued                             $ (130) (130)
Foreign currency translation adjustments, net of tax                             (16,618) 114 (16,504)
Net income attributable to Providence                             91,928 91,928
Balance (in shares) at Dec. 31, 2016                             17,315,661       3,478,676    
Balance at Dec. 31, 2016                             $ 17 302,010 156,718 (33,449) $ (125,201) (2,420) 297,675
Stock repurchase (in shares)                                   1,579,942    
Stock repurchase                             $ (70,248) (70,248)
Conversion of convertible preferred stock to common stock                             12 12
Convertible preferred stock dividends                             (4,419) (4,419)
Noncontrolling interests                             $ (2,082) $ (2,082)
Conversion of convertible preferred stock to common stock (in shares)                             300