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) - Recurring - Available for Sale Securities - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Available for Sale Securities
Balance at beginning of the period	$ 5,795	$ 2,500	$ 2,479	$ 2,892
Included in other comprehensive income	(21)	75	333	25
Purchases, issuances and settlements	0	0	3,241	0
Principal payments	(174)	(88)	(453)	(430)
Ending balance	$ 5,600	$ 2,487	$ 5,600	$ 2,487