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Loan Servicing (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |  |
Unpaid balance of loans serviced for others | $ 919,136 | $ 635,224 | $ 514,294
Federal Home Loan Mortgage Corporation |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |  |
Unpaid balance of loans serviced for others | 765,547 | 514,539 | 354,393
Fannie Mae |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |  |
Unpaid balance of loans serviced for others | 60,839 | 69,072 | 82,922
Equity Bank |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |  |
Unpaid balance of loans serviced for others | 60,107 | 0 | 0
Federal Home Loan Bank |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |  |
Unpaid balance of loans serviced for others | 32,558 | 51,479 | 76,815
Chevy Chase Mortgage Company |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] |  |  |
Unpaid balance of loans serviced for others | $ 85 | $ 134 | $ 164

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