Disclosures About Fair Value of Assets and Liabilities - Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements using Significant Unobservable Level 3 Inputs (Details) - Fair Value, Measurements, Recurring - Available for Sale Securities - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Available for Sale Securities
Balance at beginning of the period	$ 2,893	$ 3,328
Included in other comprehensive income	(20)	43
Principal payments	(344)	(435)
Ending balance	$ 2,529	$ 2,936