Quarterly report pursuant to Section 13 or 15(d)

Debt (Junior Subordinated Debentures Outstanding) (Details)

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Debt (Junior Subordinated Debentures Outstanding) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Debt Instrument [Line Items]      
Carrying Amount $ 135,725 $ 135,414 [1],[2] $ 134,398
Junior Subordinated Debentures [Member]      
Debt Instrument [Line Items]      
Unamortized debt issuance costs (1,254) (1,272) [1]  
Purchase discount (40,150) (40,443) [1]  
Woodbridge [Member]      
Debt Instrument [Line Items]      
Carrying Amount 66,302 66,302 [1]  
Inital Equity in Trust [3] 2,552    
Woodbridge [Member] | Levitt Capital Trust I [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 23,196 $ 23,196 [1]  
Effective rate 6.16% 5.19%  
Interest Rate [1] LIBOR + 3.85%    
Inital Equity in Trust [3] $ 696    
Issue Date Mar. 15, 2005    
Maturity Date [4] Mar. 01, 2035    
Woodbridge [Member] | Levitt Capital Trust I [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 3.85%    
Woodbridge [Member] | Levitt Capital Trust II [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 19,878 $ 19,878 [1]  
Effective rate 5.67% 5.18%  
Interest Rate [1] LIBOR + 3.80%    
Inital Equity in Trust [3] $ 928    
Issue Date May 04, 2005    
Maturity Date [4] Jun. 30, 2035    
Woodbridge [Member] | Levitt Capital Trust II [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 3.80%    
Woodbridge [Member] | Levitt Capital Trust III [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 7,764 $ 7,764 [1]  
Effective rate 6.11% 5.14%  
Interest Rate [1] LIBOR + 3.80%    
Inital Equity in Trust [3] $ 464    
Issue Date Jun. 01, 2006    
Maturity Date [4] Jun. 30, 2036    
Woodbridge [Member] | Levitt Capital Trust III [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 3.80%    
Woodbridge [Member] | Levitt Capital Trust IV [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 15,464 $ 15,464 [1]  
Effective rate 6.11% 5.14%  
Interest Rate [1] LIBOR + 3.80%    
Inital Equity in Trust [3] $ 464    
Issue Date Jul. 18, 2006    
Maturity Date [4] Sep. 30, 2036    
Woodbridge [Member] | Levitt Capital Trust IV [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 3.80%    
Bluegreen [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 110,827 $ 110,827 [1]  
Unamortized debt issuance costs (1,882) (1,940)  
Inital Equity in Trust [3] 3,327    
Bluegreen [Member] | Bluegreen Statutory Trust I [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 23,196 $ 23,196 [1]  
Effective rate 7.21% 6.59%  
Interest Rate [1] LIBOR + 4.90%    
Inital Equity in Trust [3] $ 696    
Issue Date Mar. 15, 2005    
Maturity Date [4] Mar. 30, 2035    
Bluegreen [Member] | Bluegreen Statutory Trust I [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 4.90%    
Bluegreen [Member] | Bluegreen Statutory Trust II [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 25,774 $ 25,774 [1]  
Effective rate 6.62% 6.23%  
Interest Rate [1] LIBOR + 4.85%    
Inital Equity in Trust [3] $ 774    
Issue Date May 04, 2005    
Maturity Date [4] Jul. 30, 2035    
Bluegreen [Member] | Bluegreen Statutory Trust II [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 4.85%    
Bluegreen [Member] | Bluegreen Statutory Trust III [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 10,310 $ 10,310 [1]  
Effective rate 6.62% 6.23%  
Interest Rate [1] LIBOR + 4.85%    
Inital Equity in Trust [3] $ 310    
Issue Date May 10, 2005    
Maturity Date [4] Jul. 30, 2035    
Bluegreen [Member] | Bluegreen Statutory Trust III [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 4.85%    
Bluegreen [Member] | Bluegreen Statutory Trust IV [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 15,464 $ 15,464 [1]  
Effective rate 7.16% 6.54%  
Interest Rate [1] LIBOR + 4.85%    
Inital Equity in Trust [3] $ 464    
Issue Date Apr. 24, 2006    
Maturity Date [4] Jun. 30, 2036    
Bluegreen [Member] | Bluegreen Statutory Trust IV [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 4.85%    
Bluegreen [Member] | Bluegreen Statutory Trust V [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 15,464 $ 15,464 [1]  
Effective rate 7.16% 6.54%  
Interest Rate [1] LIBOR + 4.85%    
Inital Equity in Trust [3] $ 464    
Issue Date Jul. 21, 2006    
Maturity Date [4] Sep. 30, 2036    
Bluegreen [Member] | Bluegreen Statutory Trust V [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 4.85%    
Bluegreen [Member] | Bluegreen Statutory Trust VI [Member]      
Debt Instrument [Line Items]      
Carrying Amount $ 20,619 $ 20,619 [1]  
Effective rate 6.57% 6.18%  
Interest Rate [1] LIBOR + 4.80%    
Inital Equity in Trust [3] $ 619    
Issue Date Feb. 26, 2007    
Maturity Date [4] Apr. 30, 2037    
Bluegreen [Member] | Bluegreen Statutory Trust VI [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Basis spread on rate 4.80%    
[1] LIBOR interest rates are indexed to three-month LIBOR and adjust quarterly.
[2] See Note 1 for a summary of adjustments.
[3] Initial equity in the trust is recorded as part of other assets in the Consolidated Statements of Financial Condition.
[4] All of the junior subordinated debentures were eligible for redemption as of March 31, 2018 and December 31, 2017.