Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Assets and Liabilities - Schedule of Changes in Carrying Value of Contingent Consideration (Details)

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Fair Value of Assets and Liabilities - Schedule of Changes in Carrying Value of Contingent Consideration (Details) - Contingent Consideration - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance of contingent consideration $ 1,766 $ 1,756 $ 2,104 $ 7,144
Payments (500) (40) (409) (5,021)
Change in fair value of contingent consideration 54 50 61 (19)
Ending balance of contingent consideration 1,939 $ 1,766 $ 1,756 $ 2,104
Kestler Financial Group        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value of contingent consideration in connection with KFG acquisition $ 619