Loans and Allowance for Credit Losses on Loans - Credit Quality (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Loans by risk rating    
2021 $ 1,117,231,000  
2020 617,495,000  
2019 438,126,000  
2018 273,820,000  
2017 183,708,000  
Prior 235,366,000  
Revolving Loans 556,172,000  
Revolving Loans Converted To Term Loans 30,000  
Total Loans 3,421,948,000 $ 2,034,851,000
Total Loans   434,000
Minimum    
Loans by risk rating    
Loan commitment for inclusion in credit quality analysis 50,000  
Pass [Member]    
Loans by risk rating    
2021 1,079,972,000  
2020 607,575,000  
2019 392,999,000  
2018 267,763,000  
2017 177,970,000  
Prior 225,968,000  
Revolving Loans 546,694,000  
Revolving Loans Converted To Term Loans 30,000  
Total Loans 3,298,971,000  
Special Mention [Member]    
Loans by risk rating    
2021 16,169,000  
2020 2,222,000  
2019 26,029,000  
Revolving Loans 3,816,000  
Total Loans 48,236,000  
Substandard [Member]    
Loans by risk rating    
2021 21,090,000  
2020 7,698,000  
2019 19,098,000  
2018 6,057,000  
2017 5,738,000  
Prior 9,398,000  
Revolving Loans 5,662,000  
Total Loans 74,741,000  
Commercial    
Loans by risk rating    
2021 201,800,000 107,199,000
2020 54,770,000 42,771,000
2019 53,429,000 16,111,000
2018 28,503,000 6,265,000
2017 5,176,000 1,828,000
Prior 11,020,000 1,691,000
Revolving Loans 416,746,000 231,294,000
Revolving Loans Converted To Term Loans 30,000  
Total Loans 771,474,000 407,159,000
Commercial | Pass [Member]    
Loans by risk rating    
2021 192,258,000 101,796,000
2020 50,638,000 42,294,000
2019 38,614,000 14,519,000
2018 28,177,000 6,265,000
2017 5,176,000 1,825,000
Prior 10,945,000 1,691,000
Revolving Loans 408,394,000 230,388,000
Revolving Loans Converted To Term Loans 30,000  
Total Loans 734,232,000 398,778,000
Commercial | Special Mention [Member]    
Loans by risk rating    
2021 44,000 5,130,000
2020 84,000 425,000
2019 694,000 68,000
2017   3,000
Revolving Loans 3,708,000 76,000
Total Loans 4,530,000 5,702,000
Commercial | Substandard [Member]    
Loans by risk rating    
2021 9,498,000 273,000
2020 4,048,000 52,000
2019 14,121,000 1,524,000
2018 326,000  
Prior 75,000  
Revolving Loans 4,644,000 830,000
Total Loans 32,712,000 2,679,000
Consumer    
Loans by risk rating    
Mortgage loans in process of foreclosure 488,000 546,000
Leases    
Loans by risk rating    
2021 83,402,000 56,780,000
2020 44,129,000 53,765,000
2019 35,093,000 17,628,000
2018 9,573,000 6,604,000
2017 1,170,000 5,692,000
Prior 2,664,000 1,132,000
Total Loans 176,031,000 141,601,000
Leases | Pass [Member]    
Loans by risk rating    
2021 83,402,000 56,605,000
2020 44,129,000 52,168,000
2019 32,259,000 16,830,000
2018 8,950,000 6,545,000
2017 1,170,000 5,242,000
Prior 2,367,000 651,000
Total Loans 172,277,000 138,041,000
Leases | Substandard [Member]    
Loans by risk rating    
2019 2,834,000  
2018 623,000  
Prior 297,000  
Total Loans 3,754,000  
Leases | PCI | Substandard [Member]    
Loans by risk rating    
2020   1,434,000
2019   798,000
2018   59,000
2017   450,000
Prior   481,000
Total Loans   3,222,000
Leases | Non-PCI | Special Mention [Member]    
Loans by risk rating    
2021   175,000
2020   163,000
Total Loans   338,000
Commercial real estate - Investor    
Loans by risk rating    
2021 332,951,000 178,884,000
2020 236,342,000 169,395,000
2019 158,512,000 92,447,000
2018 85,230,000 66,762,000
2017 68,422,000 56,398,000
Prior 57,330,000 16,837,000
Revolving Loans 18,602,000 1,319,000
Total Loans 957,389,000 582,042,000
Commercial real estate - Investor | Pass [Member]    
Loans by risk rating    
2021 315,247,000 173,781,000
2020 233,964,000 158,677,000
2019 147,511,000 92,156,000
2018 85,049,000 66,762,000
2017 64,810,000 55,963,000
Prior 55,523,000 15,966,000
Revolving Loans 18,602,000 1,319,000
Total Loans 920,706,000 564,624,000
Commercial real estate - Investor | Special Mention [Member]    
Loans by risk rating    
2021 15,466,000 2,394,000
2020   9,592,000
2019 10,550,000 220,000
2017   95,000
Total Loans 26,016,000 12,301,000
Commercial real estate - Investor | Substandard [Member]    
Loans by risk rating    
2021 2,238,000 2,709,000
2020 2,378,000 1,126,000
2019 451,000 71,000
2018 181,000  
2017 3,612,000 340,000
Prior 1,807,000 871,000
Total Loans 10,667,000 5,117,000
Commercial real estate - Owner occupied    
Loans by risk rating    
2021 228,642,000 74,773,000
2020 97,549,000 54,963,000
2019 66,150,000 75,499,000
2018 60,915,000 46,979,000
2017 55,487,000 50,501,000
Prior 63,119,000 29,031,000
Revolving Loans 2,522,000 1,324,000
Total Loans 574,384,000 333,070,000
Commercial real estate - Owner occupied | Pass [Member]    
Loans by risk rating    
2021 220,324,000 72,605,000
2020 96,607,000 52,809,000
2019 61,511,000 73,719,000
2018 60,915,000 45,315,000
2017 54,236,000 50,000,000
Prior 59,887,000 25,507,000
Revolving Loans 2,522,000 1,324,000
Total Loans 556,002,000 321,279,000
Commercial real estate - Owner occupied | Special Mention [Member]    
Loans by risk rating    
2021   604,000
2019 2,953,000  
Total Loans 2,953,000 604,000
Commercial real estate - Owner occupied | Substandard [Member]    
Loans by risk rating    
2021 8,318,000 1,564,000
2020 942,000 2,154,000
2019 1,686,000 1,780,000
2018   1,664,000
2017 1,251,000 501,000
Prior 3,232,000 3,524,000
Total Loans 15,429,000 11,187,000
Construction    
Loans by risk rating    
2021 88,780,000 50,208,000
2020 67,767,000 27,298,000
2019 42,101,000 9,260,000
2018 4,671,000 539,000
2017 477,000 218,000
Prior 1,193,000 1,261,000
Revolving Loans 1,143,000 9,702,000
Total Loans 206,132,000 98,486,000
Construction | Pass [Member]    
Loans by risk rating    
2021 88,620,000 50,170,000
2020 65,629,000 24,163,000
2019 37,169,000 7,203,000
2018 2,727,000 539,000
2017 477,000 218,000
Prior 1,193,000 1,261,000
Revolving Loans 1,143,000 9,702,000
Total Loans 196,958,000 93,256,000
Construction | Special Mention [Member]    
Loans by risk rating    
2021   38,000
2020 2,138,000  
2019 4,932,000  
Total Loans 7,070,000 38,000
Construction | Substandard [Member]    
Loans by risk rating    
2021 160,000  
2020   3,135,000
2019   2,057,000
2018 1,944,000  
Total Loans 2,104,000 5,192,000
Residential real estate - Investor    
Loans by risk rating    
2021 13,492,000 9,720,000
2020 9,902,000 14,194,000
2019 13,084,000 9,132,000
2018 6,589,000 7,775,000
2017 7,444,000 2,522,000
Prior 11,020,000 11,650,000
Revolving Loans 1,868,000 1,144,000
Total Loans 63,399,000 56,137,000
Residential real estate - Investor | Pass [Member]    
Loans by risk rating    
2021 13,371,000 9,371,000
2020 9,758,000 14,194,000
2019 13,084,000 8,522,000
2018 6,392,000 7,775,000
2017 7,059,000 2,431,000
Prior 10,602,000 11,184,000
Revolving Loans 1,868,000 1,144,000
Total Loans 62,134,000 54,621,000
Residential real estate - Investor | Substandard [Member]    
Loans by risk rating    
2021 121,000 349,000
2020 144,000  
2019   610,000
2018 197,000  
2017 385,000 91,000
Prior 418,000 466,000
Total Loans 1,265,000 1,516,000
Residential real estate - Owner occupied    
Loans by risk rating    
2021 48,990,000 18,355,000
2020 32,095,000 23,450,000
2019 20,996,000 11,220,000
2018 14,523,000 15,628,000
2017 30,738,000 10,920,000
Prior 63,854,000 34,161,000
Revolving Loans 2,052,000 2,654,000
Total Loans 213,248,000 116,388,000
Residential real estate - Owner occupied | Pass [Member]    
Loans by risk rating    
2021 48,009,000 18,308,000
2020 31,912,000 23,450,000
2019 20,990,000 10,808,000
2018 13,304,000 15,409,000
2017 30,562,000 10,394,000
Prior 60,661,000 31,325,000
Revolving Loans 2,052,000 2,654,000
Total Loans 207,490,000 112,348,000
Residential real estate - Owner occupied | Special Mention [Member]    
Loans by risk rating    
2021 659,000  
Total Loans 659,000  
Residential real estate - Owner occupied | Substandard [Member]    
Loans by risk rating    
2021 322,000 47,000
2020 183,000  
2019 6,000 412,000
2018 1,219,000 219,000
2017 176,000 526,000
Prior 3,193,000 2,836,000
Total Loans 5,099,000 4,040,000
Multifamily    
Loans by risk rating    
2021 109,608,000 40,740,000
2020 71,748,000 37,750,000
2019 46,193,000 48,555,000
2018 62,733,000 39,608,000
2017 11,701,000 12,265,000
Prior 7,117,000 9,925,000
Revolving Loans 64,000 197,000
Total Loans 309,164,000 189,040,000
Multifamily | Pass [Member]    
Loans by risk rating    
2021 109,175,000 40,671,000
2020 71,748,000 30,849,000
2019 39,293,000 44,301,000
2018 61,190,000 38,133,000
2017 11,399,000 12,147,000
Prior 7,117,000 7,735,000
Revolving Loans 64,000 197,000
Total Loans 299,986,000 174,033,000
Multifamily | Special Mention [Member]    
Loans by risk rating    
2020   6,901,000
2019 6,900,000  
2018   548,000
Total Loans 6,900,000 7,449,000
Multifamily | Substandard [Member]    
Loans by risk rating    
2021 433,000 69,000
2019   4,254,000
2018 1,543,000 927,000
2017 302,000 118,000
Prior   2,190,000
Total Loans 2,278,000 7,558,000
HELOC    
Loans by risk rating    
2021 907,000 2,511,000
2020 2,091,000 2,174,000
2019 2,131,000 1,765,000
2018 822,000 2,157,000
2017 1,679,000 775,000
Prior 2,065,000 894,000
Revolving Loans 105,969,000 70,632,000
Total Loans 115,664,000 80,908,000
HELOC | Pass [Member]    
Loans by risk rating    
2021 907,000 2,511,000
2020 2,091,000 2,174,000
2019 2,131,000 1,679,000
2018 805,000 2,120,000
2017 1,667,000 504,000
Prior 1,869,000 803,000
Revolving Loans 104,843,000 69,483,000
Total Loans 114,313,000 79,274,000
HELOC | Special Mention [Member]    
Loans by risk rating    
Revolving Loans 108,000 94,000
Total Loans 108,000 94,000
HELOC | Substandard [Member]    
Loans by risk rating    
2019   86,000
2018 17,000 37,000
2017 12,000 271,000
Prior 196,000 91,000
Revolving Loans 1,018,000 1,055,000
Total Loans 1,243,000 1,540,000
HELOC - Purchased    
Loans by risk rating    
Prior 10,626,000 19,487,000
Total Loans 10,626,000 19,487,000
HELOC - Purchased | Pass [Member]    
Loans by risk rating    
Prior 10,446,000 19,487,000
Total Loans 10,446,000 19,487,000
HELOC - Purchased | Substandard [Member]    
Loans by risk rating    
Prior 180,000  
Total Loans 180,000  
Other    
Loans by risk rating    
2021 8,659,000 1,555,000
2020 1,102,000 574,000
2019 437,000 573,000
2018 261,000 229,000
2017 1,414,000 559,000
Prior 5,358,000 341,000
Revolving Loans 7,206,000 6,702,000
Total Loans 24,437,000 10,533,000
Other | Pass [Member]    
Loans by risk rating    
2021 8,659,000 1,555,000
2020 1,099,000 574,000
2019 437,000 569,000
2018 254,000 229,000
2017 1,414,000 559,000
Prior 5,358,000 341,000
Revolving Loans 7,206,000 6,702,000
Total Loans 24,427,000 10,529,000
Other | Substandard [Member]    
Loans by risk rating    
2020 3,000  
2019   4,000
2018 7,000  
Total Loans $ 10,000 4,000
Other 1    
Loans by risk rating    
2021   540,725,000
2020   426,334,000
2019   282,190,000
2018   192,546,000
2017   141,678,000
Prior   126,410,000
Revolving Loans   324,968,000
Total Loans   2,034,851,000
Other 1 | Pass [Member]    
Loans by risk rating    
2021   527,373,000
2020   401,352,000
2019   270,306,000
2018   189,092,000
2017   139,283,000
Prior   115,951,000
Revolving Loans   322,913,000
Total Loans   1,966,270,000
Other 1 | Special Mention [Member]    
Loans by risk rating    
2021   8,341,000
2020   17,081,000
2019   288,000
2018   548,000
2017   98,000
Revolving Loans   170,000
Total Loans   26,526,000
Other 1 | Substandard [Member]    
Loans by risk rating    
2021   5,011,000
2020   7,901,000
2019   11,596,000
2018   2,906,000
2017   2,297,000
Prior   10,459,000
Revolving Loans   1,885,000
Total Loans   $ 42,055,000