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Derivatives and Balance Sheet Offsetting - Collateral pledged for repurchase agreements table (Details)
$ in Thousands
Mar. 31, 2022
USD ($)
Balance Sheet Offsetting [Line Items]  
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement $ 44,212
Secured Borrowings, Gross, Difference, Amount 0
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]  
Balance Sheet Offsetting [Line Items]  
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 44,212
Maturity Overnight [Member] | U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]  
Balance Sheet Offsetting [Line Items]  
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 44,212
Maturity Less than 30 Days [Member] | U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]  
Balance Sheet Offsetting [Line Items]  
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 0
Maturity 30 to 90 Days [Member] | U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]  
Balance Sheet Offsetting [Line Items]  
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 0
Maturity Greater than 90 Days [Member] | U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]  
Balance Sheet Offsetting [Line Items]  
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement $ 0