Annual report pursuant to Section 13 and 15(d)

COMMON AND PREFERRED STOCK (Details)

v3.20.4
COMMON AND PREFERRED STOCK (Details)
12 Months Ended
Sep. 18, 2020
shares
Dec. 31, 2020
USD ($)
payment
$ / shares
shares
Sep. 17, 2020
$ / shares
Dec. 31, 2019
$ / shares
shares
May 31, 2011
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Reverse stock split ratio 0.1        
Common stock, shares, issued (in shares) 44,663,990 45,908,779   40,608,518  
Common stock, shares outstanding (in shares) 44,663,990 45,908,779 [1]   40,608,518 [1]  
Common stock, shares authorized (in shares) 135,000,000 135,000,000 [1]   135,000,000  
Common stock, par value (in dollars per share) | $ / shares   $ 0.001 $ 0.001 $ 0.001  
Preferred stock, shares authorized (in shares)   5,000,000   5,000,000  
Preferred stock, par value (in dollars per share) | $ / shares   $ 0.001   $ 0.001  
Preferred stock, shares outstanding (in shares)   2,218,732   1,500,000  
Preferred stock, shares issued (in shares)   2,218,732   1,500,000  
Preferred stock, dividend rate, percentage   6.50%      
Preferred stock, liquidation preference (in dollars per share) | $ / shares   $ 100      
Undeclared accumulated dividends | $   $ 16,300,000      
Conversion ratio     43.63    
Conversion price (in dollars per share) | $ / shares   $ 22.92      
Stock trigger rate for convertible preferred stock   145.00%      
Number of semi-annual dividend payments for preferred stock | payment   8      
Stock repurchase program, amount approved | $         $ 150,000,000.0
Shares repurchased (in shares)   600,000      
Common stock repurchased | $   $ 16,300,000      
Contingent Consideration | Prior Acquisitions          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock repurchased | $   $ 1,200,000      
Series A Preferred Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Conversion ratio 4.363        
Trading days   20 days      
Consecutive trading days   30 days      
[1] Adjusted for the 1-for-10 reverse stock split effected on September 18, 2020.