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v3.20.4

Borrowings (Summary of Short term and Long term Borrowings and Subordinated Debentures) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Securities Sold under Agreements to Repurchase | $ 162,439 | $ 237,984
Total short-term borrowings | $ 162,439 | $ 268,809
FHLBB borrowings |  |
Debt Instrument [Line Items] |  |
Weighted Average Rate (as a percent) | 0.98% | 1.87%
Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months | $ 0 |
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2021 | 0 |
2022 | 0 |
2023 | 0 |
2025 | 25,000 |
Customer repurchase agreements |  |
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2021 | 162,439 |
FHLBB and correspondent bank overnight borrowings |  |
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2021 | $ 0 |
Long-term Debt |  |
Debt Instrument [Line Items] |  |
Weighted Average Rate (as a percent) | 0.98% | 1.87%
Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months | $ 0 |
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2022 | 0 |
2023 | 0 |
2024 | 0 |
2025 | 25,000 |
Thereafter | 0 |
Total long-term borrowings | $ 25,000 | $ 10,000
Subordinated Debt and Junior Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Weighted Average Rate (as a percent) | 2.62% | 3.90%
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2025 | $ 15,000 |
Thereafter | 44,331 |
Total long-term borrowings | $ 59,331 | $ 59,080
Subordinated Debt | Subordinated debentures |  |
Debt Instrument [Line Items] |  |
Weighted Average Rate (as a percent) | 5.50% | 5.50%
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2025 | $ 15,000 |
Thereafter | 0 |
Total long-term borrowings | 15,000 | $ 14,749
Debt Issuance Costs, Net | 0 | 251
Short-term Debt |  |
Debt Instrument [Line Items] |  |
Total short-term borrowings | $ 162,439 | $ 268,809
Weighted Average Rate (as a percent) | 0.34% | 1.28%
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
2021 | $ 162,439 |
Short-term Debt | FHLBB borrowings |  |
Debt Instrument [Line Items] |  |
FHLBB borrowings | 0 | $ 25,000
Short-term Debt | Customer repurchase agreements |  |
Debt Instrument [Line Items] |  |
Securities Sold under Agreements to Repurchase | 162,439 | 237,984
Short-term Debt | FHLBB and correspondent bank overnight borrowings |  |
Debt Instrument [Line Items] |  |
FHLBB and correspondent bank overnight borrowings | 0 | 5,825
Long-term Debt | FHLBB borrowings |  |
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
Long-term Federal Home Loan Bank Advances | $ 25,000 | $ 10,000
Subsidiary One [Member] | Junior Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Weighted Average Rate (as a percent) | 1.64% | 3.36%
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
Thereafter | $ 36,083 |
Total long-term borrowings | $ 36,083 | $ 36,083
Subsidiary Two [Member] | Junior Subordinated Debt |  |
Debt Instrument [Line Items] |  |
Weighted Average Rate (as a percent) | 1.66% | 3.41%
Maturities of Long-term Debt and Capital Lease Obligations [Abstract] |  |
Thereafter | $ 8,248 |
Total long-term borrowings | $ 8,248 | $ 8,248

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