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		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Available for Sale Securities
Balance at beginning of the period	$ 2,146	$ 2,528	$ 2,479	$ 2,892
Included in other comprehensive income	412	(30)	353	(50)
Purchases, issuances and settlements	3,241	0	3,241	0
Principal payments	(4)	2	(278)	(342)
Ending balance	$ 5,795	$ 2,500	$ 5,795	$ 2,500