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Deferred Compensation Plan (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Postemployment Benefits [Abstract]    
Participant's maximum compensation deferral percentage 90.00%  
Company owned life insurance $ 1,400 $ 1,100
Gain (loss) on company owned life insurance 145 (15)
Deferred compensation obligation $ 1,500 $ 1,200
Deferred restricted stock shares (in shares) 94,148 102,793
Deferred compensation arrangement with individual, shares issued (in shares) 80,604 33,834
Deferred compensation arrangement, fair value of shares issued $ 1,700 $ 857