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Fair Value of Financial Instruments - Carrying Value and Estimated Fair Values of Financial Instruments Not Measured at Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities held to maturity | $ 5,448 | $ 25,117
Carrying Value | Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and cash equivalents | 323,920 | 705,618
Carrying Value | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Non-marketable equity securities held in other financial institutions | 76,822 | 45,192
Accrued interest and loan fees receivable | 24,277 | 23,402
Deposits | 6,303,158 | 6,570,693
FHLB advances and other borrowings | 894,581 | 309,801
Subordinated indebtedness | 157,540 | 157,417
Accrued interest payable | 2,460 | 2,696
Carrying Value | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities held to maturity | 4,288 | 22,767
LHFI , net | 5,464,970 | 5,166,745
Estimated Fair Value | Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and cash equivalents | 323,920 | 705,618
Estimated Fair Value | Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Non-marketable equity securities held in other financial institutions | 76,822 | 45,192
Accrued interest and loan fees receivable | 24,277 | 23,402
Deposits | 6,293,928 | 6,572,215
FHLB advances and other borrowings | 846,980 | 305,374
Subordinated indebtedness | 147,836 | 156,629
Accrued interest payable | 2,460 | 2,696
Estimated Fair Value | Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities held to maturity | 5,448 | 25,117
LHFI , net | $ 5,421,977 | $ 5,133,257

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- Definition Accrued Fees and Other Revenue Receivable, Fair Value + References No definition available. + Details
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- Definition Federal Home Loan Bank Advances and Securities Sold Under Agreements to Repurchase, Fair Value + References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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