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DEBT - Senior Notes and Other Borrowings (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Mar. 05, 2014
Apr. 16, 2013
Debt Instrument [Line Items]        
Principal $ 1,465,912 $ 1,599,049    
Unamortized Debt Issuance Costs 11,365 12,516    
Carrying Value 1,454,547 1,586,533    
Loans payable and other borrowings        
Debt Instrument [Line Items]        
Principal 152,762 150,485    
Unamortized Debt Issuance Costs 0 0    
Carrying Value 152,762 150,485    
Mortgage warehouse borrowings        
Debt Instrument [Line Items]        
Principal 63,150 198,564    
Unamortized Debt Issuance Costs 0 0    
Carrying Value 63,150 198,564    
Revolving Credit Facility        
Debt Instrument [Line Items]        
Principal 0 0    
Unamortized Debt Issuance Costs 0 0    
Carrying Value 0 0    
Senior Notes        
Debt Instrument [Line Items]        
Principal 1,250,000 1,250,000    
Unamortized Debt Issuance Costs 11,365 12,516    
Carrying Value 1,238,635 1,237,484    
Senior Notes | 5.25% Senior Notes due 2021, unsecured        
Debt Instrument [Line Items]        
Principal 550,000 550,000    
Unamortized Debt Issuance Costs 4,491 5,089    
Carrying Value $ 545,509 544,911    
Stated interest rate of senior notes 5.25%     5.25%
Senior Notes | 5.875% Senior Notes due 2023, unsecured        
Debt Instrument [Line Items]        
Principal $ 350,000 350,000    
Unamortized Debt Issuance Costs 3,285 3,569    
Carrying Value $ 346,715 346,431    
Stated interest rate of senior notes 5.875%      
Senior Notes | 5.625% Senior Notes due 2024, unsecured        
Debt Instrument [Line Items]        
Principal $ 350,000 350,000    
Unamortized Debt Issuance Costs 3,589 3,858    
Carrying Value $ 346,411 $ 346,142    
Stated interest rate of senior notes 5.625%   5.625%