Loans - Summary of Accretable Yield (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accretable Yield Movement Schedule [Roll Forward]
Balance at the beginning of period	$ 17,086	$ 21,846
Accretion into interest income	(803)	(1,049)
Balance at end of period	$ 16,283	$ 20,797