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v3.21.1

Fair value measurements - Assets and liabilities measured on a recurring basis (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Derivative assets |  |
Available-for-sale investment securities | $ 2,305,257 |
Fair value measurements on a recurring basis | Level 1 |  |
Derivative liabilities |  |
Derivative liabilities | 0 | $ 500
Fair value measurements on a recurring basis | Level 1 | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Derivative assets | 340 | 0
Fair value measurements on a recurring basis | Level 1 | Bank | Interest rate lock commitments |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 1 | Bank | Forward commitments |  |
Derivative assets |  |
Derivative assets | 340 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 500
Fair value measurements on a recurring basis | Level 1 | Other | Interest rate swap |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 1 | Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 1 | U.S. Treasury and federal agency obligations | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 1 | Corporate bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 1 | Mortgage revenue bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 2 |  |
Derivative liabilities |  |
Derivative liabilities | 2,834 | 4,530
Fair value measurements on a recurring basis | Level 2 | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 2,289,830 | 1,943,232
Derivative assets | 745 | 4,536
Fair value measurements on a recurring basis | Level 2 | Bank | Interest rate lock commitments |  |
Derivative assets |  |
Derivative assets | 456 | 4,536
Derivative liabilities |  |
Derivative liabilities | 18 | 0
Fair value measurements on a recurring basis | Level 2 | Bank | Forward commitments |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 2 | Other | Interest rate swap |  |
Derivative assets |  |
Derivative assets | 289 | 0
Derivative liabilities |  |
Derivative liabilities | 2,816 | 4,530
Fair value measurements on a recurring basis | Level 2 | Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 2,201,352 | 1,849,559
Fair value measurements on a recurring basis | Level 2 | U.S. Treasury and federal agency obligations | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 57,647 | 62,322
Fair value measurements on a recurring basis | Level 2 | Corporate bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 30,831 | 31,351
Fair value measurements on a recurring basis | Level 2 | Mortgage revenue bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 3 |  |
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 15,427 | 27,185
Derivative assets | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Bank | Interest rate lock commitments |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Bank | Forward commitments |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Other | Interest rate swap |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | U.S. Treasury and federal agency obligations | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Corporate bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Mortgage revenue bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | $ 15,427 | $ 27,185

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