Note 13 - Stock-based Compensation and Similar Arrangements (Details Textual)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2016
Aug. 06, 2015
Jun. 30, 2015
Sep. 11, 2014
shares
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Allocated Share-based Compensation Expense | $           $ 5,136 $ 26,622 $ 7,562
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $           2,072 2,322 1,570
Tax Benefit Realized for Tax Deduction from Option Exercises of Share-based Payment | $           282 2,857 2,722
Excess Tax Shortfalls Realized Related to Stock Based Awards | $           $ 558 151 38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period           105,788    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period           27,400    
Share-based Compensation Arrangement by Share-based Payment Award, Vested in Period, Fair Value | $           $ 1,383 $ 3,709 4,155
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number         505,452 355,598 505,452  
General and Administrative Expense [Member]                
Allocated Share-based Compensation Expense | $           $ 4,324 $ 5,027 3,537
Modifications to Terms of Original Stock Options Granted to Mr. Rustand [Member]                
Allocated Share-based Compensation Expense | $             737  
Long Term Incentive Plan 2006 [Member]                
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $           $ 492 990 650
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period           105,788    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition           284 days    
Long Term Incentive Plan 2006 [Member] | Accrued Expenses [Member]                
Deferred Compensation Share-based Arrangements, Liability, Current | $         $ 3,555 $ 1,764 3,555  
HoldCo LTI Program [Member]                
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $           $ 5,361    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition           1 year 200 days    
HoldCo LTI Program [Member] | General and Administrative Expense [Member]                
Allocated Share-based Compensation Expense | $           $ 3,319 $ 1,353  
Stock Option Plan 2003 [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number           0    
Two Executives of Ingeus [Member]                
Allocated Share-based Compensation Expense | $         $ 20,944      
Chief Executive Officer [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       200,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares             133,332  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period             66,668  
Non Employee Directors Executive Officers and Certain Key Employees [Member]                
Restricted Stock Award, Number of Equal Installments         3   3  
Board of Directors Chairman [Member] | Coliseum Capital Partners, L.P. [Member]                
Allocated Share-based Compensation Expense | $           $ 287 $ 588 $ 375
Stock Option Equivalent Units Issued in Lieu of a Grant           3,360 4,000 6,195
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage           33.33%    
Restricted Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period           57,964    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period           26,100    
Shares Paid for Tax Withholding for Share Based Compensation           2,736 15,961 18,504
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number         44,182 72,198 44,182  
Restricted Stock [Member] | Two Executives of Ingeus [Member] | Ingeus Acquisition [Member]                
Allocated Share-based Compensation Expense | $             $ 16,078  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period               596,915
Restricted Stock Award, Number of Equal Installments         4   4  
Deferred Compensation Arrangement with Individual, Compensation Expense | $             $ 4,714  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Held in Escrow Account           298,457    
Restricted Stock [Member] | Non Employee Directors Executive Officers and Certain Key Employees [Member]                
Stock Issued During Period, Shares, Restricted Stock Award, Gross           22,793    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period           10,134 6,827  
Shares Paid for Tax Withholding for Share Based Compensation           2,736    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $           $ 2,220    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition           1 year 135 days    
Restricted Stock [Member] | Non Employee Directors Executive Officers and Certain Key Employees [Member] | Not Released Due to Additional Holding Requirement [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period           3,307    
Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number           49,208    
Allocated Share-based Compensation Expense (Benefit) | $           $ (270) $ 613 $ (162)
Restricted Stock Units (RSUs) [Member] | Performance Criteria Tied to the Company’s Return on Investment (“ROE”) [Member] | If ROE Falls Between 12% and 15% [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number           35,879    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants to Be Earned in Period, Percentage           33.00%    
Restricted Stock Units (RSUs) [Member] | Performance Criteria Tied to the Company’s Return on Investment (“ROE”) [Member] | If ROE Exceeds 15% [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants to Be Earned in Period, Percentage           100.00%    
Restricted Stock Units (RSUs) [Member] | Performance Criteria Tied to the Net Segment’s Earnings Before Interest, Taxes,Depreciation and Amortization (“EBITDA”) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number           13,329    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest           6,665    
Restricted Stock Units (RSUs) [Member] | Key Employee [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period           5,930    
Stock Appreciation Rights (SARs) [Member] | Coliseum Capital Partners, L.P. [Member]                
Allocated Share-based Compensation Expense (Benefit) | $           $ (1,517)    
Stock Option Equivalent Units Issued               200,000
Stock Option Equivalent Units, Issued in Lieu of a Grant, Exercise Price | $ / shares               $ 43.81
Stock Appreciation Rights (SARs) [Member] | Coliseum Capital Partners, L.P. [Member] | General and Administrative Expense [Member]                
Allocated Share-based Compensation Expense | $             $ 1,888 $ 1,249
Stock Appreciation Rights (SARs) [Member] | Coliseum Capital Partners, L.P. [Member] | Share-based Compensation Award, Tranche One [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage               33.33%
Stock Appreciation Rights (SARs) [Member] | Coliseum Capital Partners, L.P. [Member] | Share-based Compensation Award, Tranche Two [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     33.33%          
Stock Appreciation Rights (SARs) [Member] | Coliseum Capital Partners, L.P. [Member] | Share-based Compensation Award, Tranche Three [Member]                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 33.33%              
Performance Shares [Member] | Certain Executive Officers [Member] | HoldCo LTI Program [Member]                
Share-based Compensation Arrangement, Award Threshold, Percentage of Compounded Annual Return   8.00%            
Period for Weighted Average Price for Common Share   90 days            
Sharebased Compensation Award Percentage of Shares Issued           88.50%    
Performance Shares [Member] | Certain Executive Officers [Member] | HoldCo LTI Program [Member] | After Determination of the Pool [Member]                
Sharebased Compensation Award,Percentage of Shares to be Issued   60.00%            
Performance Shares [Member] | Certain Executive Officers [Member] | HoldCo LTI Program [Member] | Issued on First Anniversary [Member]                
Sharebased Compensation Award,Percentage of Shares to be Issued           25.00%    
Performance Shares [Member] | Certain Executive Officers [Member] | HoldCo LTI Program [Member] | Issued on Second Anniversary [Member]                
Sharebased Compensation Award,Percentage of Shares to be Issued   15.00%