Annual report pursuant to Section 13 and 15(d)

Loans Receivable - Loans by Vintage Year and Payment Performance (Detail)

v3.20.4
Loans Receivable - Loans by Vintage Year and Payment Performance (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 $ 1,575,273  
2019 775,720  
2018 701,973  
2017 530,668  
2016 556,108  
Prior 549,847  
Revolving Loans Amortized Cost Basis 190,579  
Loans receivable 4,880,168 $ 4,610,147
Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 1,550,822  
2019 764,819  
2018 685,832  
2017 525,105  
2016 540,189  
Prior 539,923  
Revolving Loans Amortized Cost Basis 190,449  
Loans receivable 4,797,139  
Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 24,451  
2019 10,901  
2018 16,141  
2017 5,563  
2016 15,919  
Prior 9,924  
Revolving Loans Amortized Cost Basis 130  
Loans receivable 83,029  
Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 1,038,832  
2019 522,297  
2018 547,808  
2017 479,513  
2016 536,333  
Prior 536,100  
Revolving Loans Amortized Cost Basis 38,766  
Loans receivable 3,699,649 3,642,175
Real Estate | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 1,023,385  
2019 521,905  
2018 534,988  
2017 475,698  
2016 521,218  
Prior 526,528  
Revolving Loans Amortized Cost Basis 38,636  
Loans receivable 3,642,358  
Real Estate | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 15,447  
2019 392  
2018 12,820  
2017 3,815  
2016 15,115  
Prior 9,572  
Revolving Loans Amortized Cost Basis 130  
Loans receivable 57,291  
Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 964,612  
2019 520,722  
2018 497,090  
2017 348,415  
2016 452,045  
Prior 480,639  
Revolving Loans Amortized Cost Basis 31,413  
Loans receivable 3,294,936 3,150,022
Real Estate | Total commercial property loans | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 961,973  
2019 520,330  
2018 496,936  
2017 346,029  
2016 437,231  
Prior 471,067  
Revolving Loans Amortized Cost Basis 31,283  
Loans receivable 3,264,849  
Real Estate | Total commercial property loans | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 2,639  
2019 392  
2018 154  
2017 2,386  
2016 14,814  
Prior 9,572  
Revolving Loans Amortized Cost Basis 130  
Loans receivable 30,087  
Real Estate | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 46,223  
2019 613  
2018 12,046  
Loans receivable 58,882 76,455
Real Estate | Construction | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 33,415  
2019 613  
Loans receivable 34,028  
Real Estate | Construction | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 12,808  
2018 12,046  
Loans receivable 24,854  
Real Estate | Residential/Consumer Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 27,997  
2019 962  
2018 38,672  
2017 131,098  
2016 84,288  
Prior 55,461  
Revolving Loans Amortized Cost Basis 7,353  
Loans receivable 345,831 415,698
Real Estate | Residential/Consumer Loans | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 27,997  
2019 962  
2018 38,052  
2017 129,669  
2016 83,987  
Prior 55,461  
Revolving Loans Amortized Cost Basis 7,353  
Loans receivable 343,481  
Real Estate | Residential/Consumer Loans | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2018 620  
2017 1,429  
2016 301  
Loans receivable 2,350  
Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 422,277  
2019 82,453  
2018 59,620  
2017 19,874  
2016 8,875  
Prior 12,343  
Revolving Loans Amortized Cost Basis 151,813  
Loans receivable 757,255 484,093
Commercial and Industrial | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 413,725  
2019 77,672  
2018 59,436  
2017 19,002  
2016 8,875  
Prior 12,228  
Revolving Loans Amortized Cost Basis 151,813  
Loans receivable 742,751  
Commercial and Industrial | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 8,552  
2019 4,781  
2018 184  
2017 872  
Prior 115  
Loans receivable 14,504  
Leases Receivable    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 114,164  
2019 170,970  
2018 94,545  
2017 31,281  
2016 10,900  
Prior 1,404  
Loans receivable 423,264 $ 483,879
Leases Receivable | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 113,712  
2019 165,242  
2018 91,408  
2017 30,405  
2016 10,096  
Prior 1,167  
Loans receivable 412,030  
Leases Receivable | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2020 452  
2019 5,728  
2018 3,137  
2017 876  
2016 804  
Prior 237  
Loans receivable $ 11,234