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Loans Receivable - Age analysis of past due loans and leases (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Age Analysis of Past Due Loans and Leases |  |  |
Total past due |  | $ 800 | $ 3,704
Current |  | 1,349,655 | 1,278,122
Total Accruing Loans and leases |  | 1,350,455 | 1,281,826
Nonaccrual loans and leases |  | 8,593 | 7,930
Loans and Leases Receivable, Gross, Total |  | $ 1,359,048 | $ 1,289,756
Delinquency percentage |  | 0.69% | 0.90%
Loans at fair value |  | $ 13,590 | $ 12,182
Commercial mortgage |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | 517,421 | 482,042
Total Accruing Loans and leases |  | 517,421 | 482,042
Nonaccrual loans and leases |  |  | 3,061
Loans and Leases Receivable, Gross, Total |  | 517,421 | $ 485,103
Delinquency percentage |  |  | 0.63%
Home equity lines and loans |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | 54,659 | $ 64,128
Total Accruing Loans and leases |  | 54,659 | 64,128
Nonaccrual loans and leases |  | 919 | 859
Loans and Leases Receivable, Gross, Total |  | $ 55,578 | $ 64,987
Delinquency percentage |  | 1.65% | 1.32%
Residential mortgage |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Total past due |  | $ 640 | $ 3,595
Current |  | 45,730 | 46,134
Total Accruing Loans and leases |  | 46,370 | 49,729
Nonaccrual loans and leases |  | 2,715 | 2,725
Loans and Leases Receivable, Gross, Total |  | $ 49,085 | $ 52,454
Delinquency percentage |  | 6.84% | 12.05%
Loans at fair value |  | $ 13,590 | $ 12,182
Construction |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | 134,601 | 140,246
Total Accruing Loans and leases |  | 134,601 | 140,246
Loans and Leases Receivable, Gross, Total |  | 134,601 | 140,246
Commercial and industrial, including leases |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | 257,510 | 260,465
Total Accruing Loans and leases |  | 257,510 | 260,465
Nonaccrual loans and leases |  | 3,911 | 1,285
Loans and Leases Receivable, Gross, Total |  | $ 261,421 | $ 261,750
Delinquency percentage |  | 1.50% | 0.49%
Small business loans |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | $ 61,456 | $ 49,542
Total Accruing Loans and leases |  | 61,456 | 49,542
Nonaccrual loans and leases |  | 917 |
Loans and Leases Receivable, Gross, Total |  | $ 62,373 | 49,542
Delinquency percentage |  | 1.47% |
Paycheck Protection Program loans ("PPP") |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | $ 230,847 | 203,543
Total Accruing Loans and leases |  | 230,847 | 203,543
Loans and Leases Receivable, Gross, Total |  | 230,847 | 203,543
MainStreet Lending Program Loans ("PPP") |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | 583 | 580
Total Accruing Loans and leases |  | 583 | 580
Loans and Leases Receivable, Gross, Total |  | 583 | 580
Consumer |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Current |  | 469 | 511
Total Accruing Loans and leases |  | 469 | 511
Loans and Leases Receivable, Gross, Total |  | 469 | 511
Leases |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Total past due |  | 160 | 109
Current |  | 46,379 | 30,931
Total Accruing Loans and leases |  | 46,539 | 31,040
Nonaccrual loans and leases |  | 131 |
Loans and Leases Receivable, Gross, Total |  | $ 46,670 | $ 31,040
Delinquency percentage |  | 0.62% | 0.35%
Current | Residential mortgage |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Loans at fair value |  | $ 12,048 | $ 10,314
30-89 days past due |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Total past due |  | 800 | 3,704
30-89 days past due | Residential mortgage |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Total past due |  | 640 | 3,595
Loans at fair value | $ 640 |  | 958
30-89 days past due | Leases |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Total past due |  | 160 | 109
Nonaccrual | Residential mortgage |  |  |
Age Analysis of Past Due Loans and Leases |  |  |
Loans at fair value |  | $ 902 | $ 910

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