XML 128 R116.htm IDEA: XBRL DOCUMENT v3.5.0.2
Equity Compensation Plans - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
executive
Jun. 30, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock available for grant under Redwood's Incentive Plan   1,624,283 1,665,032
Unrecognized compensation cost | $   $ 16,630 $ 23,608
Equity compensation expense | $   $ 8,569  
Share-based compensation, vesting period   3 years  
Number of shares purchased by employees   323,113 310,040
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested outstanding stock awards   208,559 187,180
Number of stock awards granted   144,056  
Number of stock awards vested   48,061  
Number of stock awards forfeited   74,616  
Deferred Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested outstanding stock awards   2,013,993 2,407,154
Number of stock awards granted   357,639  
Number of stock awards vested   1,193,033 1,363,548
Number of stock awards forfeited   62,955  
Number of stock awards distributed   687,844  
Equity compensation expense | $ $ 3,000    
Number of executives departed | executive 2    
Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested outstanding stock awards   656,549 849,021
Equity compensation expense | $ $ 600    
Number of executives departed | executive 2    
Share-based compensation, vesting period   3 years  
Share-based compensation, vesting year   2016 and in future years  
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average amortization period remaining for equity awards (less than)   2 years  
Shares of common stock to be purchased in aggregate for all employees   450,000  
Maximum | Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity awards, vesting percentage   200.00%  
Total Shareholder Return (TSR) percentage to determine vested shares (greater than)   125.00%  
Minimum | Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Equity awards, vesting percentage   0.00%