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Parent Company Financial Statements (Condensed Statements of Income and Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
EXPENSES |  |  |
Salaries and Employee Benefits | $ 68,570 | $ 68,112 | $ 63,885
Professional Fees | 5,009 | 3,998 | 4,674
Interest Expense | 9,549 | 19,126 | 31,249
INCOME BEFORE INCOME TAXES AND EQUITY IN UNDISTRIBUTED INCOME OF SUBSIDIARIES | 102,785 | 75,044 | 71,239
Income Tax Benefit | (18,648) | (12,834) | (12,017)
NET INCOME | 84,137 | 62,210 | 59,222
Other Comprehensive Income: |  |  |
Changes in Unrecognized Loss in Postretirement Benefit Obligation, Net | 0 | 0 | (229)
Parent Company |  |  |
INCOME |  |  |
Interest Income | 109 | 118 | 102
Other Income (Loss) | 11 | 25 | (2)
Total Income | 66,590 | 41,723 | 46,500
EXPENSES |  |  |
Salaries and Employee Benefits | 537 | 498 | 530
Professional Fees | 1,256 | 564 | 1,685
Occupancy and Equipment Expense | 10 | 7 | 7
Interest Expense | 2,763 | 2,907 | 2,781
Other Expenses | 1,200 | 1,286 | 975
Total Expenses | 5,766 | 5,262 | 5,978
INCOME BEFORE INCOME TAXES AND EQUITY IN UNDISTRIBUTED INCOME OF SUBSIDIARIES | 60,824 | 36,461 | 40,522
Income Tax Benefit | 1,607 | 1,922 | 1,712
INCOME BEFORE EQUITY IN UNDISTRIBUTED INCOME OF SUBSIDIARIES | 62,431 | 38,383 | 42,234
Equity in Undistributed Income of Subsidiaries | 21,706 | 23,827 | 16,988
NET INCOME | 84,137 | 62,210 | 59,222
Other Comprehensive Income: |  |  |
Changes in Unrealized Gain (Loss) on Securities, Available-for-Sale | (19,891) | 20,270 | 22,432
Changes in Unrecognized Loss in Postretirement Benefit Obligation, Net | 0 | 0 | (229)
COMPREHENSIVE INCOME | 64,246 | 82,480 | 81,425
Parent Company | Bank |  |  |
INCOME |  |  |
Dividends from Subsidiaries | 65,000 | 40,000 | 45,000
Parent Company | Non-bank |  |  |
INCOME |  |  |
Dividends from Subsidiaries | $ 1,470 | $ 1,580 | $ 1,400

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