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Supplemental Cash Flow Disclosures - Non-cash Investing and Financing Activities (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash paid during the year for: |  |  |
Interest | $ 15,624,000 | $ 33,964,000 | $ 56,005,000
Income taxes | 22,374,000 | 25,914,000 | 21,787,000
Non-cash investing and financing activities: |  |  |
Real Estate Owned, Transfer to Real Estate Owned | 3,163,000 | 3,865,000 | 4,723,000
Fair value of loans transferred from held to maturity to available for sale | 73,697,000 | 37,305,000 | 30,359,000
Transfer of Loans Held-for-sale to Portfolio Loans | 0 | 4,335,000 | 482,000
Gross (decrease) increase in market value adjustment to securities available for sale | (29,908,000) | 19,911,000 | 20,604,000
Gross (decrease) increase in market value adjustment to derivatives | (3,356,000) | (4,467,000) | 935,000
Investments Committed to Purchase, Not Yet Paid | 0 | (34,185,000) | 25,484,000
Increase in Commitment to Limited Partnership | 7,565,000 | 0 | 1,469,000
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed | 0 | 0 | (361,595,000)
Other Significant Noncash Transaction, Consideration Received | 0 | (384,000) | 484,000
Treasury stock reissued | $ 2,042,000 | $ 1,594,000 | $ 2,531,000

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