Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue From Contract With Customer [Abstract]
Other real estate sales, net gains (loss)	$ (122)	$ 224	$ 124	$ 1,226