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v3.8.0.1

Quarterly Financial Data - Unaudited (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Operating results: |  |  |  |  |  |  |  |  |  |  |
Interest income | $ 71,468 | $ 62,737 | $ 59,224 | $ 54,628 | $ 56,334 | $ 60,906 | $ 66,787 | $ 62,328 | $ 248,057 | $ 246,355 | $ 259,432
Interest expense | (36,108) | (27,443) | (24,234) | (21,031) | (20,537) | (21,597) | (22,444) | (23,950) | (108,816) | (88,528) | (95,883)
Net Interest Income | 35,360 | 35,294 | 34,990 | 33,597 | 35,797 | 39,309 | 44,343 | 38,378 | 139,241 | 157,827 | 163,549
Reversal of (provision for) loan losses |  |  |  |  | 0 | 859 | 6,532 | (289) | 0 | 7,102 | 355
Non-interest income | 10,951 | 26,070 | 25,297 | 27,755 | 9,763 | 33,712 | 10,888 | 4,454 | 90,073 | 58,817 | 25,254
Operating expenses | (20,367) | (19,922) | (18,641) | (18,226) | (17,824) | (20,355) | (20,155) | (30,452) | (77,156) | (88,786) | (97,416)
Net Income | $ 30,933 | $ 36,180 | $ 36,324 | $ 36,969 | $ 25,355 | $ 52,553 | $ 41,281 | $ 12,063 | $ 140,406 | $ 131,252 | $ 102,088
Per share data: |  |  |  |  |  |  |  |  |  |  |
Net income - basic (in dollars per share) | $ 0.39 | $ 0.46 | $ 0.46 | $ 0.47 | $ 0.32 | $ 0.67 | $ 0.52 | $ 0.15 | $ 1.78 | $ 1.66 | $ 1.20
Net Income - diluted (in dollars per share) | 0.35 | 0.41 | 0.43 | 0.43 | 0.31 | 0.58 | 0.48 | 0.15 | 1.60 | 1.54 | 1.18
Regular dividends declared per common share (in dollars per share) | $ 0.28 | $ 0.28 | $ 0.28 | $ 0.28 | $ 0.28 | $ 0.28 | $ 0.28 | $ 0.28 | $ 1.12 | $ 1.12 | $ 1.12
Yield maintenance fees received |  |  |  |  |  |  | $ 5,000 |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |
Costs incurred and expensed |  |  |  |  |  |  |  | $ 10,000 | $ 0 | $ 10,401 | $ 0
Commercial Loans At Lower Of Cost Or Market |  |  |  |  |  |  |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |
Realized gains, net |  |  |  |  |  | $ 5,000 |  |  |  |  |

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