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Long-Term Borrowings- Reconciliation of liabilities to cash flows arising from financing activities (Details) - Long-Term Borrowings - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Long-Term Borrowings    
Balance at beginning of year $ 52,500 $ 58,500
Change from financing activities:    
Proceeds from borrowings 40,000 0
Repayments of borrowings (46,000) (6,000)
Total changes from financing activities (6,000) (6,000)
Ending Balance $ 46,500 $ 52,500