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v3.20.1

Fair value measurements - Assets and liabilities measured on a recurring basis (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Derivative assets |  |
Available-for-sale investment securities | $ 1,340,241 | $ 1,232,826
Corporate bonds |  |
Derivative assets |  |
Available-for-sale investment securities | 59,770 | 60,057
Mortgage revenue bonds |  |
Derivative assets |  |
Available-for-sale investment securities | 28,726 | 28,597
Fair value measurements on a recurring basis | Level 1 |  |
Derivative liabilities |  |
Derivative liabilities | 585 | 33
Fair value measurements on a recurring basis | Level 1 | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 0 | 0
Derivative assets | 0 | 0
Fair value measurements on a recurring basis | Level 1 | Bank | Interest rate lock commitments |  |
Derivative assets |  |
Derivative assets | 0 | 0
Fair value measurements on a recurring basis | Level 1 | Bank | Forward commitments |  |
Derivative assets |  |
Derivative assets | 0 | 0
Derivative liabilities |  |
Derivative liabilities | 585 | 33
Fair value measurements on a recurring basis | Level 1 | Other | Interest rate swap |  |
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 | 4,575 | 2,185
Fair value measurements on a recurring basis | Level 2 | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 1,311,515 | 1,204,229
Derivative assets | 1,852 | 300
Fair value measurements on a recurring basis | Level 2 | Bank | Interest rate lock commitments |  |
Derivative assets |  |
Derivative assets | 1,852 | 297
Fair value measurements on a recurring basis | Level 2 | Bank | Forward commitments |  |
Derivative assets |  |
Derivative assets | 0 | 3
Derivative liabilities |  |
Derivative liabilities | 0 | 12
Fair value measurements on a recurring basis | Level 2 | Other | Interest rate swap |  |
Derivative liabilities |  |
Derivative liabilities | 4,575 | 2,173
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 | 1,141,452 | 1,026,385
Fair value measurements on a recurring basis | Level 2 | U.S. Treasury and federal agency obligations | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 110,293 | 117,787
Fair value measurements on a recurring basis | Level 2 | Corporate bonds | Bank |  |
Derivative assets |  |
Available-for-sale investment securities | 59,770 | 60,057
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 | 28,726 | 28,597
Derivative assets | 0 | 0
Fair value measurements on a recurring basis | Level 3 | Bank | Interest rate lock commitments |  |
Derivative assets |  |
Derivative assets | 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 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 | $ 28,726 | $ 28,597

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