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Borrowings - Summary of Borrowed Funds (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument, Redemption [Line Items] |  |
Federal Home Loan Bank ("FHLB") advances, repurchase obligations and other borrowings | $ 894,581 | $ 309,801
FHLB |  |
Debt Instrument, Redemption [Line Items] |  |
Net amounts available under the blanket floating lien | 709,700 | 982,200
FHLB advances |  |
Debt Instrument, Redemption [Line Items] |  |
Federal Home Loan Bank ("FHLB") advances, repurchase obligations and other borrowings | 256,871 | 256,999
GNMA repurchase liability |  |
Debt Instrument, Redemption [Line Items] |  |
Federal Home Loan Bank ("FHLB") advances, repurchase obligations and other borrowings | 30,653 | 43,355
Subordinated indebtedness, net |  |
Debt Instrument, Redemption [Line Items] |  |
Subordinated indebtedness, net | 157,540 | 157,417
Overnight repurchase agreements with depositors |  |
Debt Instrument, Redemption [Line Items] |  |
Federal Home Loan Bank ("FHLB") advances, repurchase obligations and other borrowings | 7,057 | 9,447
FHLB advances |  |
Debt Instrument, Redemption [Line Items] |  |
Federal Home Loan Bank ("FHLB") advances, repurchase obligations and other borrowings | $ 600,000 | $ 0

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