Consolidated Statements of Changes in Stockholder's Equity/Partners' Deficit - USD ($)
$ in Thousands
Total
Additional Paid-In Capital
Retained Earnings
Total Stockholders' Equity
Non-controlling Interest
Partners' Capital
Excess Of Liabilities, Redeemable Partners' Capital And Partners' Capital Over Assets
Total Partners' Deficit
Class A Common Stock
Class B Common Stock
Balance at Dec. 31, 2012           $ 47,904 $ (108,374) $ (60,470)    
Contributions from partners $ 165       $ 165   455 455    
Contributions from partners, Shares                   17,000
Distributions to partners (1,417)       (1,417) (4,036) (23,864) (27,900)    
Issuance of notes receivable by partners (455)                  
Accrued partner incentive distributions             (6,000) (6,000)    
Redemptions of partners’ interests (190)       (190)   (5,561) (5,561)    
Redemptions of partners' interests, Shares                   (14,000)
Equity-based compensation 635       635   1,024 1,024    
Equity-based compensation, Shares                   16,000
Reclassification of equity-based awards due to elimination of redemption feature             824 824    
Net Income 6,239   $ 2,760 $ 2,760 3,479 2,827 8,102 10,929    
Net Income 17,168                  
Issuance of Class A shares in IPO 55,215 $ 55,160   55,215         $ 55  
Issuance of Class A shares in IPO, Shares                 5,509,000  
Reorganization of equity structure 12,783     100 12,683 $ (46,695) $ 133,394 $ 86,699   $ 100
Reorganization of equity structure, Shares                   10,000,000
Purchase of Class B units of SLP (35,400) (30,881)   (30,916) (4,484)         $ (35)
Purchase of Class B units of SLP, Shares                   (3,541,000)
Accrued interest on notes receivable from partners (30)       (30)          
Share Conversion, Value   3,898   3,898 (3,898)       $ 20 $ (20)
Share Conversion, Shares                 2,013,000 (2,013,000)
Dividends paid on Class A common stock (661)   (661) (661)            
Initial establishment of deferred tax assets, net of amounts payable under tax receivable agreement 10,826 10,826   10,826            
Balance at Dec. 31, 2013 48,165 39,003 2,099 41,222 6,943       $ 75 $ 45
Balance, Shares at Dec. 31, 2013                 7,522,000 4,465,000
Contributions from partners 941     1 940         $ 1
Contributions from partners, Shares                   60,000
Distributions to partners (5,242)       (5,242)          
Issuance of notes receivable by partners (940)       (940)          
Redemptions of partners’ interests (376)       (376)          
Redemptions of partners' interests, Shares                   (23,000)
Adjustment of partner redemption obligation (Note 9) 1,583       1,583          
Equity-based compensation 1,533     3 1,530         $ 3
Equity-based compensation, Shares                   264,000
Repayment of notes receivable from partners 841       841          
Net Income 10,708   4,775 4,775 5,933          
Deferred tax, net of amounts payable under tax receivable agreement (456) (456)   (456)            
Accrued interest on notes receivable from partners (61)       (61)          
Share Conversion, Value 23 628   628 (605)       $ 3 $ (3)
Share Conversion, Shares                 246,000 (246,000)
Dividends paid on Class A common stock (3,657)   (3,657) (3,657)            
Balance at Dec. 31, 2014 53,062 39,175 3,217 42,516 10,546       $ 78 $ 46
Balance, Shares at Dec. 31, 2014                 7,768,010 4,520,413
Distributions to partners (5,546)       (5,546)          
Equity-based compensation 1,782       1,782          
Equity-based compensation, Shares                   127,000
Repayment of notes receivable from partners 489       489          
Net Income 11,085   5,324 5,324 5,761          
Deferred tax, net of amounts payable under tax receivable agreement 1,049 1,049   1,049            
Accrued interest on notes receivable from partners (66)       (66)          
Share Conversion, Value   727   726 (726)       $ 2 $ (3)
Share Conversion, Shares                 222,000 (211,000)
Issuance of Class B shares in connection with the Jamison Acquisition, Value 3,565     3 3,562         $ 3
Issuance of Class B shares in connection with the Jamison Acquisition, Shares                   259,000
Dividends paid on Class A common stock (3,783)   (3,783) (3,783)            
Balance at Dec. 31, 2015 $ 61,637 $ 40,951 $ 4,758 $ 45,835 $ 15,802       $ 80 $ 46
Balance, Shares at Dec. 31, 2015                 7,989,749 4,695,014