Fair Value of Assets and Liabilities - Fair Value of Assets Measured on a Recurring Basis Using Significant Unobservable Inputs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 10,000	$ 99
Transfers into Level 3	10	0
Transfers out of Level 3	0	0
Total gains or losses:
Included in net income	$ 0	$ 0
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net Income Loss	Net Income Loss
Included in other comprehensive income (loss)	$ 0	$ 0
Purchases, issuances, sales and settlements:
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	(99)
Ending balance	10,010	0
Total gains or losses for the period included in net income attributable to the change in unrealized gains or losses related to assets and liabilities still held at the reporting date	0	0
Obligations of States and Political Subdivisions
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0	99
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Total gains or losses:
Included in net income	$ 0	$ 0
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net Income Loss	Net Income Loss
Included in other comprehensive income (loss)	$ 0	$ 0
Purchases, issuances, sales and settlements:
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	(99)
Ending balance	0	0
Total gains or losses for the period included in net income attributable to the change in unrealized gains or losses related to assets and liabilities still held at the reporting date	0	0
Other
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	10,000	0
Transfers into Level 3	10	0
Transfers out of Level 3	0	0
Total gains or losses:
Included in net income	$ 0	$ 0
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net Income Loss	Net Income Loss
Included in other comprehensive income (loss)	$ 0	$ 0
Purchases, issuances, sales and settlements:
Purchases	0	0
Issuances	0	0
Sales	0	0
Settlements	0	0
Ending balance	10,010	0
Total gains or losses for the period included in net income attributable to the change in unrealized gains or losses related to assets and liabilities still held at the reporting date	$ 0	$ 0