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Bank segment (Tables) | 6 Months Ended
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Jun. 30, 2018
Bank Subsidiary [Abstract] |
Schedule of statements of income data | Statements of Income Data
|  | Three months ended June 30 |  | Six months ended June 30
(in thousands) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Interest and dividend income |  |  |  |  |  |  |  |  |  |  |  |
Interest and fees on loans |  | $ | 54,633 |  |  | $ | 52,317 |  |  | $ | 107,433 |  |  | $ | 103,059 |
Interest and dividends on investment securities |  | 8,628 |  |  | 6,763 |  |  | 17,830 |  |  | 13,743 |
Total interest and dividend income |  | 63,261 |  |  | 59,080 |  |  | 125,263 |  |  | 116,802 |
Interest expense |  |  |  |  |  |  |  |  |  |  |  |
Interest on deposit liabilities |  | 3,284 |  |  | 2,311 |  |  | 6,241 |  |  | 4,414 |
Interest on other borrowings |  | 393 |  |  | 824 |  |  | 889 |  |  | 1,640 |
Total interest expense |  | 3,677 |  |  | 3,135 |  |  | 7,130 |  |  | 6,054 |
Net interest income |  | 59,584 |  |  | 55,945 |  |  | 118,133 |  |  | 110,748 |
Provision for loan losses |  | 2,763 |  |  | 2,834 |  |  | 6,304 |  |  | 6,741 |
Net interest income after provision for loan losses |  | 56,821 |  |  | 53,111 |  |  | 111,829 |  |  | 104,007 |
Noninterest income |  |  |  |  |  |  |  |  |  |  |  |
Fees from other financial services |  | 4,744 |  |  | 5,810 |  |  | 9,398 |  |  | 11,420 |
Fee income on deposit liabilities |  | 5,138 |  |  | 5,565 |  |  | 10,327 |  |  | 10,993 |
Fee income on other financial products |  | 1,675 |  |  | 1,971 |  |  | 3,329 |  |  | 3,837 |
Bank-owned life insurance |  | 1,133 |  |  | 1,925 |  |  | 2,004 |  |  | 2,908 |
Mortgage banking income |  | 617 |  |  | 587 |  |  | 1,230 |  |  | 1,376 |
Other income, net |  | 536 |  |  | 391 |  |  | 972 |  |  | 849 |
Total noninterest income |  | 13,843 |  |  | 16,249 |  |  | 27,260 |  |  | 31,383 |
Noninterest expense |  |  |  |  |  |  |  |  |  |  |  |
Compensation and employee benefits |  | 23,655 |  |  | 24,541 |  |  | 48,095 |  |  | 47,583 |
Occupancy |  | 4,194 |  |  | 4,185 |  |  | 8,474 |  |  | 8,339 |
Data processing |  | 3,540 |  |  | 3,207 |  |  | 7,004 |  |  | 6,487 |
Services |  | 3,028 |  |  | 2,766 |  |  | 6,075 |  |  | 5,126 |
Equipment |  | 1,874 |  |  | 1,771 |  |  | 3,602 |  |  | 3,519 |
Office supplies, printing and postage |  | 1,491 |  |  | 1,527 |  |  | 2,998 |  |  | 3,062 |
Marketing |  | 1,085 |  |  | 839 |  |  | 1,730 |  |  | 1,356 |
FDIC insurance |  | 727 |  |  | 822 |  |  | 1,440 |  |  | 1,550 |
Other expense |  | 4,556 |  |  | 4,906 |  |  | 8,657 |  |  | 9,412 |
Total noninterest expense |  | 44,150 |  |  | 44,564 |  |  | 88,075 |  |  | 86,434 |
Income before income taxes |  | 26,514 |  |  | 24,796 |  |  | 51,014 |  |  | 48,956 |
Income taxes |  | 5,953 |  |  | 8,063 |  |  | 11,493 |  |  | 16,410 |
Net income |  | $ | 20,561 |  |  | $ | 16,733 |  |  | $ | 39,521 |  |  | $ | 32,546 |
Reconciliation to amounts per HEI Condensed Consolidated Statements of Income*:
|  | Three months ended June 30 |  | Six months ended June 30
(in thousands) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Interest and dividend income |  | 63,261 |  |  | 59,080 |  |  | $ | 125,263 |  |  | $ | 116,802 |
Noninterest income |  | 13,843 |  |  | 16,249 |  |  | 27,260 |  |  | 31,383 |
*Revenues-Bank |  | 77,104 |  |  | 75,329 |  |  | 152,523 |  |  | 148,185 |
Total interest expense |  | 3,677 |  |  | 3,135 |  |  | 7,130 |  |  | 6,054 |
Provision for loan losses |  | 2,763 |  |  | 2,834 |  |  | 6,304 |  |  | 6,741 |
Noninterest expense |  | 44,150 |  |  | 44,564 |  |  | 88,075 |  |  | 86,434 |
Less: Retirement defined benefits expense—other than service costs |  | (403 | ) |  | (201 | ) |  | (790 | ) |  | (396 | )
*Expenses-Bank |  | 50,187 |  |  | 50,332 |  |  | 100,719 |  |  | 98,833 |
*Operating income-Bank |  | 26,917 |  |  | 24,997 |  |  | 51,804 |  |  | 49,352 |
Add back: Retirement defined benefits expense—other than service costs |  | 403 |  |  | 201 |  |  | 790 |  |  | 396 |
Income before income taxes |  | $ | 26,514 |  |  | $ | 24,796 |  |  | $ | 51,014 |  |  | $ | 48,956 |
Schedule of statements of comprehensive income data | Statements of Comprehensive Income Data
|  | Three months ended June 30 |  | Six months ended June 30
(in thousands) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Net income |  | $ | 20,561 |  |  | $ | 16,733 |  |  | $ | 39,521 |  |  | $ | 32,546 |
Other comprehensive income (loss), net of taxes: |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) on available-for-sale investment securities: |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) on available-for-sale investment securities arising during the period, net of tax benefits (taxes) of $1,592, $(1,334), $6,459 and $(1,482), respectively |  | (4,348 | ) |  | 2,021 |  |  | (17,645 | ) |  | 2,244 |
Retirement benefit plans: |  |  |  |  |  |  |  |  |  |  |  |
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $133, $133, $827 and $537, respectively |  | 366 |  |  | 202 |  |  | 1,588 |  |  | 814 |
Other comprehensive income (loss), net of taxes |  | (3,982 | ) |  | 2,223 |  |  | (16,057 | ) |  | 3,058 |
Comprehensive income |  | $ | 16,579 |  |  | $ | 18,956 |  |  | $ | 23,464 |  |  | $ | 35,604 |
Schedule of balance sheets data | Balance Sheets Data
(in thousands) |  | June 30, 2018 |  | December 31, 2017
Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash and due from banks |  |  |  |  | $ | 120,189 |  |  |  |  |  | $ | 140,934 |
Interest-bearing deposits |  |  |  | 109,230 |  |  |  |  | 93,165 |
Investment securities |  |  |  |  |  |  |  |
Available-for-sale, at fair value |  |  |  |  | 1,409,528 |  |  |  |  |  | 1,401,198 |
Held-to-maturity, at amortized cost (fair value of $61,444 and $44,412, respectively) |  |  |  | 62,630 |  |  |  |  | 44,515 |
Stock in Federal Home Loan Bank, at cost |  |  |  |  | 10,158 |  |  |  |  |  | 9,706 |
Loans held for investment |  |  |  |  | 4,774,744 |  |  |  |  |  | 4,670,768 |
Allowance for loan losses |  |  |  |  | (52,803 | ) |  |  |  |  | (53,637 | )
Net loans |  |  |  |  | 4,721,941 |  |  |  |  |  | 4,617,131 |
Loans held for sale, at lower of cost or fair value |  |  |  |  | 5,248 |  |  |  |  |  | 11,250 |
Other |  |  |  |  | 462,469 |  |  |  |  |  | 398,570 |
Goodwill |  |  |  |  | 82,190 |  |  |  |  |  | 82,190 |
Total assets |  |  |  |  | $ | 6,983,583 |  |  |  |  |  | $ | 6,798,659 |
Liabilities and shareholder’s equity |  |  |  |  |  |  |  |  |  |  |  |
Deposit liabilities—noninterest-bearing |  |  |  |  | $ | 1,812,348 |  |  |  |  |  | $ | 1,760,233 |
Deposit liabilities—interest-bearing |  |  |  |  | 4,303,761 |  |  |  |  |  | 4,130,364 |
Other borrowings |  |  |  |  | 126,930 |  |  |  |  |  | 190,859 |
Other |  |  |  |  | 131,063 |  |  |  |  |  | 110,356 |
Total liabilities |  |  |  |  | 6,374,102 |  |  |  |  |  | 6,191,812 |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  |  |  |  | 1 |  |  |  |  |  | 1 |
Additional paid in capital |  |  |  | 346,188 |  |  |  |  | 345,018 |
Retained earnings |  |  |  |  | 310,298 |  |  |  |  |  | 292,957 |
Accumulated other comprehensive loss, net of tax benefits |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized losses on securities |  | $ | (32,596 | ) |  |  |  |  | $ | (14,951 | ) |  |  |
Retirement benefit plans |  | (14,410 | ) |  | (47,006 | ) |  | (16,178 | ) |  | (31,129 | )
Total shareholder’s equity |  |  |  |  | 609,481 |  |  |  |  |  | 606,847 |
Total liabilities and shareholder’s equity |  |  |  |  | $ | 6,983,583 |  |  |  |  |  | $ | 6,798,659 |
Other assets |  |  |  |  |  |  |  |  |  |  |  |
Bank-owned life insurance |  |  |  |  | $ | 150,797 |  |  |  |  |  | $ | 148,775 |
Premises and equipment, net |  |  |  |  | 186,620 |  |  |  |  |  | 136,270 |
Prepaid expenses |  |  |  |  | 4,993 |  |  |  |  |  | 3,961 |
Accrued interest receivable |  |  |  |  | 19,597 |  |  |  |  |  | 18,724 |
Mortgage-servicing rights |  |  |  |  | 8,509 |  |  |  |  |  | 8,639 |
Low-income housing equity investments |  |  |  | 63,033 |  |  |  |  | 59,016 |
Real estate acquired in settlement of loans, net |  |  |  |  | — |  |  |  |  |  | 133 |
Other |  |  |  |  | 28,920 |  |  |  |  |  | 23,052 |
|  |  |  |  | $ | 462,469 |  |  |  |  |  | $ | 398,570 |
Other liabilities |  |  |  |  |  |  |  |  |  |  |  |
Accrued expenses |  |  |  |  | $ | 63,734 |  |  |  |  |  | $ | 39,312 |
Federal and state income taxes payable |  |  |  |  | 1,200 |  |  |  |  |  | 3,736 |
Cashier’s checks |  |  |  |  | 28,236 |  |  |  |  |  | 27,000 |
Advance payments by borrowers |  |  |  |  | 10,415 |  |  |  |  |  | 10,245 |
Other |  |  |  |  | 27,478 |  |  |  |  |  | 30,063 |
|  |  |  |  | $ | 131,063 |  |  |  |  |  | $ | 110,356 |
Schedule of the book value and aggregate fair value by major security type | The major components of investment securities were as follows:
|  | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value |  | Gross unrealized losses
|  |  |  |  |  | Less than 12 months |  | 12 months or longer
(dollars in thousands) |  |  |  |  |  | Number of issues |  | Fair value |  | Amount |  | Number of issues |  | Fair value |  | Amount
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and federal agency obligations |  | $ | 179,986 |  |  | $ | 72 |  |  | $ | (4,125 | ) |  | $ | 175,933 |  |  | 19 |  |  | $ | 98,578 |  |  | $ | (2,018 | ) |  | 9 |  |  | $ | 67,283 |  |  | $ | (2,107 | )
Mortgage-related securities- FNMA, FHLMC and GNMA |  | 1,218,313 |  |  | 350 |  |  | (40,831 | ) |  | 1,177,832 |  |  | 81 |  |  | 694,629 |  |  | (19,345 | ) |  | 83 |  |  | 456,218 |  |  | (21,486 | )
Corporate bonds |  | 40,331 |  |  | 23 |  |  | (18 | ) |  | 40,336 |  |  | 4 |  |  | 23,841 |  |  | (18 | ) |  | — |  |  | — |  |  | — |
Mortgage revenue bond |  | 15,427 |  |  | — |  |  | — |  |  | 15,427 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
|  | $ | 1,454,057 |  |  | $ | 445 |  |  | $ | (44,974 | ) |  | $ | 1,409,528 |  |  | 104 |  |  | $ | 817,048 |  |  | $ | (21,381 | ) |  | 92 |  |  | $ | 523,501 |  |  | $ | (23,593 | )
Held-to-maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-related securities- FNMA, FHLMC and GNMA |  | $ | 62,630 |  |  | $ | 41 |  |  | $ | (1,227 | ) |  | $ | 61,444 |  |  | 3 |  |  | $ | 41,138 |  |  | $ | (1,227 | ) |  | — |  |  | $ | — |  |  | $ | — |
|  | $ | 62,630 |  |  | $ | 41 |  |  | $ | (1,227 | ) |  | $ | 61,444 |  |  | 3 |  |  | $ | 41,138 |  |  | $ | (1,227 | ) |  | — |  |  | $ | — |  |  | $ | — |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and federal agency obligations |  | $ | 185,891 |  |  | $ | 438 |  |  | $ | (2,031 | ) |  | $ | 184,298 |  |  | 15 |  |  | $ | 83,137 |  |  | $ | (825 | ) |  | 8 |  |  | $ | 62,296 |  |  | $ | (1,206 | )
Mortgage-related securities- FNMA, FHLMC and GNMA |  | 1,220,304 |  |  | 793 |  |  | (19,624 | ) |  | 1,201,473 |  |  | 67 |  |  | 653,635 |  |  | (6,839 | ) |  | 77 |  |  | 459,912 |  |  | (12,785 | )
Mortgage revenue bond |  | 15,427 |  |  | — |  |  | — |  |  | 15,427 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
|  | $ | 1,421,622 |  |  | $ | 1,231 |  |  | $ | (21,655 | ) |  | $ | 1,401,198 |  |  | 82 |  |  | $ | 736,772 |  |  | $ | (7,664 | ) |  | 85 |  |  | $ | 522,208 |  |  | $ | (13,991 | )
Held-to-maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-related securities- FNMA, FHLMC and GNMA |  | $ | 44,515 |  |  | $ | 1 |  |  | $ | (104 | ) |  | $ | 44,412 |  |  | 2 |  |  | $ | 35,744 |  |  | $ | (104 | ) |  | — |  |  | $ | — |  |  | $ | — |
|  | $ | 44,515 |  |  | $ | 1 |  |  | $ | (104 | ) |  | $ | 44,412 |  |  | 2 |  |  | $ | 35,744 |  |  | $ | (104 | ) |  | — |  |  | $ | — |  |  | $ | — |
Schedule of contractual maturities of available-for-sale securities | The contractual maturities of investment securities were as follows:
June 30, 2018 |  | Amortized cost |  | Fair value
(in thousands) |  |  |  |
Available-for-sale |  |  |  |
Due in one year or less |  | $ | 25,005 |  |  | $ | 24,860 |
Due after one year through five years |  | 105,425 |  |  | 104,020 |
Due after five years through ten years |  | 77,526 |  |  | 75,563 |
Due after ten years |  | 27,788 |  |  | 27,253 |
|  | 235,744 |  |  | 231,696 |
Mortgage-related securities-FNMA, FHLMC and GNMA |  | 1,218,313 |  |  | 1,177,832 |
Total available-for-sale securities |  | $ | 1,454,057 |  |  | $ | 1,409,528 |
Held-to-maturity |  |  |  |
Mortgage-related securities-FNMA, FHLMC and GNMA |  | $ | 62,630 |  |  | $ | 61,444 |
Total held-to-maturity securities |  | $ | 62,630 |  |  | $ | 61,444 |
Schedule of components of loans receivable | The components of loans were summarized as follows:
| June 30, 2018 |  | December 31, 2017
(in thousands) |  |  |  |  |
Real estate: |  |  |  |  |
Residential 1-4 family | $ | 2,099,950 |  |  | $ | 2,118,047 |
Commercial real estate | 758,835 |  |  | 733,106 |
Home equity line of credit | 938,902 |  |  | 913,052 |
Residential land | 16,032 |  |  | 15,797 |
Commercial construction | 124,421 |  |  | 108,273 |
Residential construction | 14,873 |  |  | 14,910 |
Total real estate | 3,953,013 |  |  | 3,903,185 |
Commercial | 593,596 |  |  | 544,828 |
Consumer | 228,804 |  |  | 223,564 |
Total loans | 4,775,413 |  |  | 4,671,577 |
Less: Deferred fees and discounts | (669 | ) |  | (809 | )
Allowance for loan losses | (52,803 | ) |  | (53,637 | )
Total loans, net | $ | 4,721,941 |  |  | $ | 4,617,131 |
Schedule of allowance for loan losses | The allowance for loan losses (balances and changes) and financing receivables were as follows:
(in thousands) |  | Residential 1-4 family |  | Commercial real estate |  | Home equity line of credit |  | Residential land |  | Commercial construction |  | Residential construction |  | Commercial loans |  | Consumer loans |  | Unallo-cated |  | Total
Three months ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 2,525 |  |  | $ | 15,959 |  |  | $ | 7,982 |  |  | $ | 674 |  |  | $ | 4,361 |  |  | $ | 4 |  |  | $ | 10,355 |  |  | $ | 12,035 |  |  | $ | — |  |  | $ | 53,895 |
Charge-offs |  | — |  |  | — |  |  | (144 | ) |  | (9 | ) |  | — |  |  | — |  |  | (540 | ) |  | (3,888 | ) |  | — |  |  | (4,581 | )
Recoveries |  | 14 |  |  | — |  |  | 13 |  |  | 46 |  |  | — |  |  | — |  |  | 280 |  |  | 373 |  |  | — |  |  | 726 |
Provision |  | 400 |  |  | (661 | ) |  | (517 | ) |  | (69 | ) |  | 255 |  |  | — |  |  | 66 |  |  | 3,289 |  |  | — |  |  | 2,763 |
Ending balance |  | $ | 2,939 |  |  | $ | 15,298 |  |  | $ | 7,334 |  |  | $ | 642 |  |  | $ | 4,616 |  |  | $ | 4 |  |  | $ | 10,161 |  |  | $ | 11,809 |  |  | $ | — |  |  | $ | 52,803 |
Three months ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 2,781 |  |  | $ | 16,504 |  |  | $ | 5,417 |  |  | $ | 1,479 |  |  | $ | 7,257 |  |  | $ | 11 |  |  | $ | 14,902 |  |  | $ | 7,646 |  |  | $ | — |  |  | $ | 55,997 |
Charge-offs |  | — |  |  | — |  |  | — |  |  | (92 | ) |  | — |  |  | — |  |  | (752 | ) |  | (2,390 | ) |  | — |  |  | (3,234 | )
Recoveries |  | 49 |  |  | — |  |  | 39 |  |  | 15 |  |  | — |  |  | — |  |  | 299 |  |  | 357 |  |  | — |  |  | 759 |
Provision |  | 300 |  |  | 2,336 |  |  | 71 |  |  | (138 | ) |  | (2,551 | ) |  | (2 | ) |  | 103 |  |  | 2,715 |  |  | — |  |  | 2,834 |
Ending balance |  | $ | 3,130 |  |  | $ | 18,840 |  |  | $ | 5,527 |  |  | $ | 1,264 |  |  | $ | 4,706 |  |  | $ | 9 |  |  | $ | 14,552 |  |  | $ | 8,328 |  |  | $ | — |  |  | $ | 56,356 |
Six months ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 2,902 |  |  | $ | 15,796 |  |  | $ | 7,522 |  |  | $ | 896 |  |  | $ | 4,671 |  |  | $ | 12 |  |  | $ | 10,851 |  |  | $ | 10,987 |  |  | $ | — |  |  | $ | 53,637 |
Charge-offs |  | (31 | ) |  | — |  |  | (144 | ) |  | (17 | ) |  | — |  |  | — |  |  | (1,142 | ) |  | (8,120 | ) |  | — |  |  | (9,454 | )
Recoveries |  | 68 |  |  | — |  |  | 27 |  |  | 51 |  |  | — |  |  | — |  |  | 1,450 |  |  | 720 |  |  | — |  |  | 2,316 |
Provision |  | — |  |  | (498 | ) |  | (71 | ) |  | (288 | ) |  | (55 | ) |  | (8 | ) |  | (998 | ) |  | 8,222 |  |  | — |  |  | 6,304 |
Ending balance |  | $ | 2,939 |  |  | $ | 15,298 |  |  | $ | 7,334 |  |  | $ | 642 |  |  | $ | 4,616 |  |  | $ | 4 |  |  | $ | 10,161 |  |  | $ | 11,809 |  |  | $ | — |  |  | $ | 52,803 |
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment |  | $ | 1,027 |  |  | $ | 53 |  |  | $ | 1,161 |  |  | $ | 7 |  |  | $ | — |  |  | $ | — |  |  | $ | 597 |  |  | $ | 3 |  |  |  |  | $ | 2,848 |
Ending balance: collectively evaluated for impairment |  | $ | 1,912 |  |  | $ | 15,245 |  |  | $ | 6,173 |  |  | $ | 635 |  |  | $ | 4,616 |  |  | $ | 4 |  |  | $ | 9,564 |  |  | $ | 11,806 |  |  | $ | — |  |  | $ | 49,955 |
Financing Receivables: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance |  | $ | 2,099,950 |  |  | $ | 758,835 |  |  | $ | 938,902 |  |  | $ | 16,032 |  |  | $ | 124,421 |  |  | $ | 14,873 |  |  | $ | 593,596 |  |  | $ | 228,804 |  |  |  |  | $ | 4,775,413 |
Ending balance: individually evaluated for impairment |  | $ | 17,605 |  |  | $ | 993 |  |  | $ | 13,849 |  |  | $ | 1,171 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,874 |  |  | $ | 91 |  |  |  |  | $ | 39,583 |
Ending balance: collectively evaluated for impairment |  | $ | 2,082,345 |  |  | $ | 757,842 |  |  | $ | 925,053 |  |  | $ | 14,861 |  |  | $ | 124,421 |  |  | $ | 14,873 |  |  | $ | 587,722 |  |  | $ | 228,713 |  |  |  |  | $ | 4,735,830 |
Six months ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 2,873 |  |  | $ | 16,004 |  |  | $ | 5,039 |  |  | $ | 1,738 |  |  | $ | 6,449 |  |  | $ | 12 |  |  | $ | 16,618 |  |  | $ | 6,800 |  |  | $ | — |  |  | $ | 55,533 |
Charge-offs |  | (6 | ) |  | — |  |  | (14 | ) |  | (92 | ) |  | — |  |  | — |  |  | (2,262 | ) |  | (5,200 | ) |  | — |  |  | (7,574 | )
Recoveries |  | 58 |  |  | — |  |  | 130 |  |  | 218 |  |  | — |  |  | — |  |  | 596 |  |  | 654 |  |  | — |  |  | 1,656 |
Provision |  | 205 |  |  | 2,836 |  |  | 372 |  |  | (600 | ) |  | (1,743 | ) |  | (3 | ) |  | (400 | ) |  | 6,074 |  |  | — |  |  | 6,741 |
Ending balance |  | $ | 3,130 |  |  | $ | 18,840 |  |  | $ | 5,527 |  |  | $ | 1,264 |  |  | $ | 4,706 |  |  | $ | 9 |  |  | $ | 14,552 |  |  | $ | 8,328 |  |  | $ | — |  |  | $ | 56,356 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance: individually evaluated for impairment |  | $ | 1,248 |  |  | $ | 65 |  |  | $ | 647 |  |  | $ | 47 |  |  | $ | — |  |  | $ | — |  |  | $ | 694 |  |  | $ | 29 |  |  |  |  | $ | 2,730 |
Ending balance: collectively evaluated for impairment |  | $ | 1,654 |  |  | $ | 15,731 |  |  | $ | 6,875 |  |  | $ | 849 |  |  | $ | 4,671 |  |  | $ | 12 |  |  | $ | 10,157 |  |  | $ | 10,958 |  |  | $ | — |  |  | $ | 50,907 |
Financing Receivables: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance |  | $ | 2,118,047 |  |  | $ | 733,106 |  |  | $ | 913,052 |  |  | $ | 15,797 |  |  | $ | 108,273 |  |  | $ | 14,910 |  |  | $ | 544,828 |  |  | $ | 223,564 |  |  |  |  | $ | 4,671,577 |
Ending balance: individually evaluated for impairment |  | $ | 18,284 |  |  | $ | 1,016 |  |  | $ | 8,188 |  |  | $ | 1,265 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,574 |  |  | $ | 66 |  |  |  |  | $ | 33,393 |
Ending balance: collectively evaluated for impairment |  | $ | 2,099,763 |  |  | $ | 732,090 |  |  | $ | 904,864 |  |  | $ | 14,532 |  |  | $ | 108,273 |  |  | $ | 14,910 |  |  | $ | 540,254 |  |  | $ | 223,498 |  |  |  |  | $ | 4,638,184 |
Schedule of credit risk profile by internally assigned grade for loans | The credit risk profile by internally assigned grade for loans was as follows:
|  | June 30, 2018 |  | December 31, 2017
(in thousands) |  | Commercial real estate |  | Commercial construction |  | Commercial |  | Commercial real estate |  | Commercial construction |  | Commercial
Grade: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass |  | $ | 671,592 |  |  | $ | 99,632 |  |  | $ | 539,168 |  |  | $ | 630,877 |  |  | $ | 83,757 |  |  | $ | 492,942 |
Special mention |  | 38,424 |  |  | 22,500 |  |  | 32,711 |  |  | 49,347 |  |  | 22,500 |  |  | 27,997 |
Substandard |  | 48,819 |  |  | 2,289 |  |  | 21,717 |  |  | 52,882 |  |  | 2,016 |  |  | 23,421 |
Doubtful |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 468 |
Loss |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total |  | $ | 758,835 |  |  | $ | 124,421 |  |  | $ | 593,596 |  |  | $ | 733,106 |  |  | $ | 108,273 |  |  | $ | 544,828 |
Schedule of credit risk profile based on payment activity for loans | The credit risk profile based on payment activity for loans was as follows:
(in thousands) |  | 30-59 days past due |  | 60-89 days past due |  | Greater than 90 days |  | Total past due |  | Current |  | Total financing receivables |  | Recorded investment> 90 days and accruing
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 2,975 |  |  | $ | 1,348 |  |  | $ | 4,360 |  |  | $ | 8,683 |  |  | $ | 2,091,267 |  |  | $ | 2,099,950 |  |  | $ | — |
Commercial real estate |  | — |  |  | 725 |  |  | — |  |  | 725 |  |  | 758,110 |  |  | 758,835 |  |  | — |
Home equity line of credit |  | 2,075 |  |  | 288 |  |  | 2,545 |  |  | 4,908 |  |  | 933,994 |  |  | 938,902 |  |  | — |
Residential land |  | 741 |  |  | 111 |  |  | 631 |  |  | 1,483 |  |  | 14,549 |  |  | 16,032 |  |  | — |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | 124,421 |  |  | 124,421 |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | 14,873 |  |  | 14,873 |  |  | — |
Commercial |  | 1,721 |  |  | 491 |  |  | 551 |  |  | 2,763 |  |  | 590,833 |  |  | 593,596 |  |  | — |
Consumer |  | 3,421 |  |  | 2,019 |  |  | 1,579 |  |  | 7,019 |  |  | 221,785 |  |  | 228,804 |  |  | — |
Total loans |  | $ | 10,933 |  |  | $ | 4,982 |  |  | $ | 9,666 |  |  | $ | 25,581 |  |  | $ | 4,749,832 |  |  | $ | 4,775,413 |  |  | $ | — |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 1,532 |  |  | $ | 1,715 |  |  | $ | 5,071 |  |  | $ | 8,318 |  |  | $ | 2,109,729 |  |  | $ | 2,118,047 |  |  | $ | — |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | — |  |  | 733,106 |  |  | 733,106 |  |  | — |
Home equity line of credit |  | 425 |  |  | 114 |  |  | 2,051 |  |  | 2,590 |  |  | 910,462 |  |  | 913,052 |  |  | — |
Residential land |  | 23 |  |  | — |  |  | 625 |  |  | 648 |  |  | 15,149 |  |  | 15,797 |  |  | — |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | 108,273 |  |  | 108,273 |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | 14,910 |  |  | 14,910 |  |  | — |
Commercial |  | 1,825 |  |  | 2,025 |  |  | 730 |  |  | 4,580 |  |  | 540,248 |  |  | 544,828 |  |  | — |
Consumer |  | 3,432 |  |  | 2,159 |  |  | 1,876 |  |  | 7,467 |  |  | 216,097 |  |  | 223,564 |  |  | — |
Total loans |  | $ | 7,237 |  |  | $ | 6,013 |  |  | $ | 10,353 |  |  | $ | 23,603 |  |  | $ | 4,647,974 |  |  | $ | 4,671,577 |  |  | $ | — |
Schedule of credit risk profile based on nonaccrual loans, accruing loans 90 days or more past due | The credit risk profile based on nonaccrual loans, accruing loans 90 days or more past due and troubled debt restructuring (TDR) loans was as follows:
(in thousands) |  | June 30, 2018 |  | December 31, 2017
Real estate: |  |  |  |  |  |
Residential 1-4 family |  | $ | 13,121 |  |  | $ | 12,598 |
Commercial real estate |  | — |  |  | — |
Home equity line of credit |  | 6,051 |  |  | 4,466 |
Residential land |  | 843 |  |  | 841 |
Commercial construction |  | — |  |  | — |
Residential construction |  | — |  |  | — |
Commercial |  | 4,385 |  |  | 3,069 |
Consumer |  | 2,820 |  |  | 2,617 |
Total nonaccrual loans |  | $ | 27,220 |  |  | $ | 23,591 |
Real estate: |  |  |  |
Residential 1-4 family |  | $ | — |  |  | $ | — |
Commercial real estate |  | — |  |  | — |
Home equity line of credit |  | — |  |  | — |
Residential land |  | — |  |  | — |
Commercial construction |  | — |  |  | — |
Residential construction |  | — |  |  | — |
Commercial |  | — |  |  | — |
Consumer |  | — |  |  | — |
Total accruing loans 90 days or more past due |  | $ | — |  |  | $ | — |
Real estate: |  |  |  |
Residential 1-4 family |  | $ | 10,777 |  |  | $ | 10,982 |
Commercial real estate |  | 993 |  |  | 1,016 |
Home equity line of credit |  | 10,255 |  |  | 6,584 |
Residential land |  | 328 |  |  | 425 |
Commercial construction |  | — |  |  | — |
Residential construction |  | — |  |  | — |
Commercial |  | 1,716 |  |  | 1,741 |
Consumer |  | 64 |  |  | 66 |
Total troubled debt restructured loans not included above |  | $ | 24,133 |  |  | $ | 20,814 |
Schedule of the carrying amount and the total unpaid principal balance of impaired loans, with and without recorded allowance for loans losses | The total carrying amount and the total unpaid principal balance of impaired loans were as follows:
|  | June 30, 2018 |  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
(in thousands) |  | Recorded investment |  | Unpaid principal balance |  | Related Allowance |  | Average recorded investment |  | Interest income recognized* |  | Average recorded investment |  | Interest income recognized*
With no related allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 8,966 |  |  | $ | 9,498 |  |  | $ | — |  |  | $ | 8,900 |  |  | $ | 50 |  |  | $ | 8,699 |  |  | $ | 157 |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Home equity line of credit |  | 2,505 |  |  | 2,803 |  |  | — |  |  | 2,374 |  |  | 7 |  |  | 2,037 |  |  | 12 |
Residential land |  | 1,141 |  |  | 1,449 |  |  | — |  |  | 1,132 |  |  | 5 |  |  | 1,150 |  |  | 10 |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 4,158 |  |  | 5,079 |  |  | — |  |  | 3,026 |  |  | 10 |  |  | 2,691 |  |  | 20 |
Consumer |  | 33 |  |  | 33 |  |  | — |  |  | 15 |  |  | — |  |  | 11 |  |  | — |
|  | $ | 16,803 |  |  | $ | 18,862 |  |  | $ | — |  |  | $ | 15,447 |  |  | $ | 72 |  |  | $ | 14,588 |  |  | $ | 199 |
With an allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 8,639 |  |  | $ | 8,842 |  |  | $ | 1,027 |  |  | $ | 8,778 |  |  | $ | 97 |  |  | $ | 8,953 |  |  | $ | 190 |
Commercial real estate |  | 993 |  |  | 993 |  |  | 53 |  |  | 997 |  |  | 10 |  |  | 1,003 |  |  | 21 |
Home equity line of credit |  | 11,344 |  |  | 11,414 |  |  | 1,161 |  |  | 10,420 |  |  | 96 |  |  | 9,080 |  |  | 177 |
Residential land |  | 30 |  |  | 30 |  |  | 7 |  |  | 40 |  |  | 1 |  |  | 58 |  |  | 3 |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 1,716 |  |  | 1,716 |  |  | 597 |  |  | 1,738 |  |  | 30 |  |  | 1,848 |  |  | 66 |
Consumer |  | 58 |  |  | 58 |  |  | 3 |  |  | 58 |  |  | 1 |  |  | 58 |  |  | 2 |
|  | $ | 22,780 |  |  | $ | 23,053 |  |  | $ | 2,848 |  |  | $ | 22,031 |  |  | $ | 235 |  |  | $ | 21,000 |  |  | $ | 459 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 17,605 |  |  | $ | 18,340 |  |  | $ | 1,027 |  |  | $ | 17,678 |  |  | $ | 147 |  |  | $ | 17,652 |  |  | $ | 347 |
Commercial real estate |  | 993 |  |  | 993 |  |  | 53 |  |  | 997 |  |  | 10 |  |  | 1,003 |  |  | 21 |
Home equity line of credit |  | 13,849 |  |  | 14,217 |  |  | 1,161 |  |  | 12,794 |  |  | 103 |  |  | 11,117 |  |  | 189 |
Residential land |  | 1,171 |  |  | 1,479 |  |  | 7 |  |  | 1,172 |  |  | 6 |  |  | 1,208 |  |  | 13 |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 5,874 |  |  | 6,795 |  |  | 597 |  |  | 4,764 |  |  | 40 |  |  | 4,539 |  |  | 86 |
Consumer |  | 91 |  |  | 91 |  |  | 3 |  |  | 73 |  |  | 1 |  |  | 69 |  |  | 2 |
|  | $ | 39,583 |  |  | $ | 41,915 |  |  | $ | 2,848 |  |  | $ | 37,478 |  |  | $ | 307 |  |  | $ | 35,588 |  |  | $ | 658 |
|  | December 31, 2017 |  | Three months ended June 30, 2017 |  | Six months ended June 30, 2017
(in thousands) |  | Recorded investment |  | Unpaid principal balance |  | Related allowance |  | Average recorded investment |  | Interest income recognized* |  | Average recorded investment |  | Interest income recognized*
With no related allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 9,097 |  |  | $ | 9,644 |  |  | $ | — |  |  | $ | 9,304 |  |  | $ | 76 |  |  | $ | 9,429 |  |  | $ | 160 |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | 143 |  |  | 11 |  |  | 182 |  |  | 11 |
Home equity line of credit |  | 1,496 |  |  | 1,789 |  |  | — |  |  | 2,401 |  |  | 51 |  |  | 2,203 |  |  | 65 |
Residential land |  | 1,143 |  |  | 1,434 |  |  | — |  |  | 1,075 |  |  | 8 |  |  | 1,016 |  |  | 34 |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 2,328 |  |  | 3,166 |  |  | — |  |  | 1,949 |  |  | 2 |  |  | 3,428 |  |  | 8 |
Consumer |  | 8 |  |  | 8 |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |
|  | $ | 14,072 |  |  | $ | 16,041 |  |  | $ | — |  |  | $ | 14,873 |  |  | $ | 148 |  |  | $ | 16,258 |  |  | $ | 278 |
With an allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 9,187 |  |  | $ | 9,390 |  |  | $ | 1,248 |  |  | $ | 10,054 |  |  | $ | 117 |  |  | $ | 10,051 |  |  | $ | 236 |
Commercial real estate |  | 1,016 |  |  | 1,016 |  |  | 65 |  |  | 1,292 |  |  | 14 |  |  | 1,296 |  |  | 28 |
Home equity line of credit |  | 6,692 |  |  | 6,736 |  |  | 647 |  |  | 4,372 |  |  | 47 |  |  | 4,467 |  |  | 96 |
Residential land |  | 122 |  |  | 122 |  |  | 47 |  |  | 1,532 |  |  | 24 |  |  | 1,804 |  |  | 61 |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 2,246 |  |  | 2,252 |  |  | 694 |  |  | 2,562 |  |  | 68 |  |  | 4,915 |  |  | 469 |
Consumer |  | 58 |  |  | 58 |  |  | 29 |  |  | 68 |  |  | 1 |  |  | 49 |  |  | 1 |
|  | $ | 19,321 |  |  | $ | 19,574 |  |  | $ | 2,730 |  |  | $ | 19,880 |  |  | $ | 271 |  |  | $ | 22,582 |  |  | $ | 891 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | $ | 18,284 |  |  | $ | 19,034 |  |  | $ | 1,248 |  |  | $ | 19,358 |  |  | $ | 193 |  |  | $ | 19,480 |  |  | $ | 396 |
Commercial real estate |  | 1,016 |  |  | 1,016 |  |  | 65 |  |  | 1,435 |  |  | 25 |  |  | 1,478 |  |  | 39 |
Home equity line of credit |  | 8,188 |  |  | 8,525 |  |  | 647 |  |  | 6,773 |  |  | 98 |  |  | 6,670 |  |  | 161 |
Residential land |  | 1,265 |  |  | 1,556 |  |  | 47 |  |  | 2,607 |  |  | 32 |  |  | 2,820 |  |  | 95 |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 4,574 |  |  | 5,418 |  |  | 694 |  |  | 4,511 |  |  | 70 |  |  | 8,343 |  |  | 477 |
Consumer |  | 66 |  |  | 66 |  |  | 29 |  |  | 69 |  |  | 1 |  |  | 49 |  |  | 1 |
|  | $ | 33,393 |  |  | $ | 35,615 |  |  | $ | 2,730 |  |  | $ | 34,753 |  |  | $ | 419 |  |  | $ | 38,840 |  |  | $ | 1,169 |
* | Since loan was classified as impaired.
Schedule of loan modifications | Loan modifications that occurred during the second quarters and first six months of 2018 and 2017 and the impact on the allowance for loan losses were as follows:
|  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
|  | Number of contracts |  | Outstanding recorded investment 1 |  | Net increase in allowance |  | Number of contracts |  | Outstanding recorded investment 1 |  | Net increase in allowance
(dollars in thousands) |  |  | Pre-modification |  | Post-modification |  | (as of period end) |  |  | Pre-modification |  | Post-modification |  | (as of period end)
Troubled debt restructurings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | 1 |  |  | $ | 339 |  |  | $ | 344 |  |  | $ | 16 |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Home equity line of credit |  | 21 |  |  | 3,338 |  |  | 3,338 |  |  | 554 |  |  | 39 |  |  | 5,508 |  |  | 5,512 |  |  | 942 |
Residential land |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 109 |  |  | 109 |  |  | — |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | 2 |  |  | 43 |  |  | 43 |  |  | 42 |  |  | 7 |  |  | 2,294 |  |  | 2,294 |  |  | 42 |
Consumer |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
|  | 23 |  |  | $ | 3,381 |  |  | $ | 3,381 |  |  | $ | 596 |  |  | 48 |  |  | $ | 8,250 |  |  | $ | 8,259 |  |  | $ | 1,000 |
|  | Three months ended June 30, 2017 |  | Six months ended June 30, 2017
|  | Number of contracts |  | Outstanding recorded investment 1 |  | Net increase in allowance |  | Number of contracts |  | Outstanding recorded investment 1 |  | Net increase in allowance
(dollars in thousands) |  |  | Pre-modification |  | Post-modification |  | (as of period end) |  |  | Pre-modification |  | Post-modification |  | (as of period end)
Troubled debt restructurings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | 2 |  |  | $ | 360 |  |  | $ | 360 |  |  | $ | — |  |  | 5 |  |  | $ | 872 |  |  | $ | 880 |  |  | $ | 45 |
Commercial real estate |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Home equity line of credit |  | 5 |  |  | 298 |  |  | 298 |  |  | 59 |  |  | 13 |  |  | 524 |  |  | 510 |  |  | 93 |
Residential land |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Residential construction |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Commercial |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 342 |  |  | 342 |  |  | — |
Consumer |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 59 |  |  | 59 |  |  | 27 |
|  | 7 |  |  | $ | 658 |  |  | $ | 658 |  |  | $ | 59 |  |  | 20 |  |  | $ | 1,797 |  |  | $ | 1,791 |  |  | $ | 165 |
1 | The reported balances include loans that became TDR during the period, and were fully paid-off, charged-off, or sold prior to period end.
Schedule of troubled debt restructuring on financing receivables that experienced default | Loans modified in TDRs that experienced a payment default of 90 days or more during the second quarters and first six months of 2018 and 2017, and for which the payment of default occurred within one year of the modification, were as follows:
|  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
(dollars in thousands) |  | Number of contracts |  | Recorded investment |  | Number of contracts |  | Recorded investment
Troubled debt restructurings that subsequently defaulted |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | — |  | $ | — |  |  | — |  | $ | — |
Commercial real estate |  | — |  | — |  |  | — |  | — |
Home equity line of credit |  | 1 |  | 100 |  |  | 2 |  | 181 |
Residential land |  | — |  | — |  |  | — |  | — |
Commercial construction |  | — |  | — |  |  | — |  | — |
Residential construction |  | — |  | — |  |  | — |  | — |
Commercial |  | 1 |  | 291 |  |  | 1 |  | 291 |
Consumer |  | — |  | — |  |  | — |  | — |
|  | 2 |  | $ | 391 |  |  | 3 |  | $ | 472 |
|  | Three months ended June 30, 2017 |  | Six months ended June 30, 2017
(dollars in thousands) |  | Number of contracts |  | Recorded investment |  | Number of contracts |  | Recorded investment
Troubled debt restructurings that subsequently defaulted |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |
Residential 1-4 family |  | 1 |  | $ | 222 |  |  | 2 |  | $ | 523 |
Commercial real estate |  | — |  | — |  |  | — |  | — |
Home equity line of credit |  | — |  | — |  |  | — |  | — |
Residential land |  | — |  | — |  |  | — |  | — |
Commercial construction |  | — |  | — |  |  | — |  | — |
Residential construction |  | — |  | — |  |  | — |  | — |
Commercial |  | — |  | — |  |  | — |  | — |
Consumer |  | — |  | — |  |  | — |  | — |
|  | 1 |  | $ | 222 |  |  | 2 |  | $ | 523 |
Schedule of amortized intangible assets | Changes in the carrying value of mortgage servicing rights were as follows:
(in thousands) |  | Gross carrying amount 1 |  | Accumulated amortization 1 |  | Valuation allowance |  | Net carrying amount
June 30, 2018 |  | $ | 18,238 |  |  | $ | (9,729 | ) |  | $ | — |  |  | $ | 8,509 |
December 31, 2017 |  | 17,511 |  |  | (8,872 | ) |  | — |  |  | 8,639 |
1 Reflects the impact of loans paid in full. Changes related to mortgage servicing rights were as follows:
|  | Three months ended June 30 |  | Six months ended June 30
(in thousands) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Mortgage servicing rights |  |  |  |  |  |  |  |
Beginning balance |  | $ | 8,541 |  |  | $ | 9,294 |  |  | $ | 8,639 |  |  | $ | 9,373 |
Amount capitalized |  | 392 |  |  | 362 |  |  | 727 |  |  | 798 |
Amortization |  | (424 | ) |  | (475 | ) |  | (857 | ) |  | (990 | )
Other-than-temporary impairment |  | — |  |  | — |  |  | — |  |  | — |
Carrying amount before valuation allowance |  | 8,509 |  |  | 9,181 |  |  | 8,509 |  |  | 9,181 |
Valuation allowance for mortgage servicing rights |  |  |  |  |  |  |  |
Beginning balance |  | — |  |  | — |  |  | — |  |  | — |
Provision (recovery) |  | — |  |  | — |  |  | — |  |  | — |
Other-than-temporary impairment |  | — |  |  | — |  |  | — |  |  | — |
Ending balance |  | — |  |  | — |  |  | — |  |  | — |
Net carrying value of mortgage servicing rights |  | $ | 8,509 |  |  | $ | 9,181 |  |  | $ | 8,509 |  |  | $ | 9,181 |
Schedule of key assumptions used in estimating fair value | Key assumptions used in estimating the fair value of ASB’s mortgage servicing rights used in the impairment analysis were as follows:
(dollars in thousands) |  | June 30, 2018 |  |  | December 31, 2017 |
Unpaid principal balance |  | $ | 1,192,901 |  |  | $ | 1,195,454 |
Weighted average note rate |  | 3.96 | % |  | 3.94 | %
Weighted average discount rate |  | 10.0 | % |  | 10.0 | %
Weighted average prepayment speed |  | 6.8 | % |  | 9.0 | %
The following table summarizes the assumptions used to determine the fair value of the LTIP awards linked to TSR and the resulting fair value of LTIP awards granted:
|  | 2018 |  |  | 2017 |
Risk-free interest rate |  | 2.29 | % |  | 1.46 | %
Expected life in years |  | 3 |  |  | 3 |
Expected volatility |  | 17.0 | % |  | 20.1 | %
Range of expected volatility for Peer Group |  | 15.1% to 26.2% |  |  | 15.4% to 26.0% |
Grant date fair value (per share) |  | $38.20 |  | $39.51
The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis:
|  |  |  |  |  |  |  | Significant unobservable input value (1)
($ in thousands) |  | Fair value |  | Valuation technique |  | Significant unobservable input |  | Range |  | Weighted Average
June 30, 2018 |  |  |  |  |  |  |  |  |  |
Residential loans |  | $ | 232 |  |  | Fair value of collateral |  | Appraised value less 7% selling cost |  | 62-69% |  | 68%
Total loans |  | $ | 232 |  |  |  |  |  |  |  |  |
December 31, 2017 |  |  |  |  |  |  |  |  |  |
Residential loans |  | $ | 613 |  |  | Fair value of collateral |  | Appraised value less 7% selling cost |  | 71-92% |  | 84%
Commercial loans |  | 2,008 |  |  | Fair value of collateral |  | Appraised value |  | 71-76% |  | 75%
Total loans |  | $ | 2,621 |  |  |  |  |  |  |  |  |
(1) Represent percent of outstanding principal balance.
Schedule of sensitivity analysis of fair value, transferor's interests in transferred financial assets | The sensitivity analysis of fair value of MSRs to hypothetical adverse changes of 25 and 50 basis points in certain key assumptions was as follows:
(dollars in thousands) |  | June 30, 2018 |  |  | December 31, 2017 |
Prepayment rate: |  |  |  |
25 basis points adverse rate change |  | $ | (344 | ) |  | $ | (869 | )
50 basis points adverse rate change |  | (797 | ) |  | (1,828 | )
Discount rate: |  |  |  |
25 basis points adverse rate change |  | (135 | ) |  | (111 | )
50 basis points adverse rate change |  | (268 | ) |  | (220 | )
Schedule of securities sold under agreements to repurchase | The following tables present information about the securities sold under agreements to repurchase, including the related collateral received from or pledged to counterparties:
(in millions) |  | Gross amount of recognized liabilities |  | Gross amount offset in the Balance Sheet |  | Net amount of liabilities presented in the Balance Sheet
Repurchase agreements |  |  |  |  |  |  |  |  |
June 30, 2018 |  | $ | 77 |  |  | $ | — |  |  | $ | 77 |
December 31, 2017 |  | 141 |  |  | — |  |  | 141 |
|  | Gross amount not offset in the Balance Sheet
(in millions) |  | Net amount of liabilities presented in the Balance Sheet |  | Financial instruments |  | Cash collateral pledged
June 30, 2018 |  |  |  |  |  |  |  |  |
Commercial account holders |  | $ | 77 |  |  | $ | 193 |  |  | $ | — |
Total |  | $ | 77 |  |  | $ | 193 |  |  | $ | — |
December 31, 2017 |  |  |  |  |  |  |  |  |
Commercial account holders |  | $ | 141 |  |  | $ | 165 |  |  | $ | — |
Total |  | $ | 141 |  |  | $ | 165 |  |  | $ | — |
Schedule of notional and fair value of derivatives | The notional amount and fair value of ASB’s derivative financial instruments were as follows:
|  | June 30, 2018 |  | December 31, 2017
(in thousands) |  | Notional amount |  | Fair value |  | Notional amount |  | Fair value
Interest rate lock commitments |  | $ | 21,954 |  |  | $ | 248 |  |  | $ | 13,669 |  |  | $ | 131 |
Forward commitments |  | 24,911 |  |  | (62 | ) |  | 14,465 |  |  | (24 | )
Schedule of derivative financial instruments | ASB’s derivative financial instruments, their fair values and balance sheet location were as follows:
Derivative Financial Instruments Not Designated as Hedging Instruments 1 |  | June 30, 2018 |  | December 31, 2017
(in thousands) |  | Asset derivatives |  | Liability derivatives |  | Asset derivatives |  | Liability derivatives
Interest rate lock commitments |  | $ | 248 |  |  | $ | — |  |  | $ | 133 |  |  | $ | 2 |
Forward commitments |  | 2 |  |  | 64 |  |  | 4 |  |  | 28 |
|  | $ | 250 |  |  | $ | 64 |  |  | $ | 137 |  |  | $ | 30 |
1 Asset derivatives are included in other assets and liability derivatives are included in other liabilities in the balance sheets.
Schedule of derivative financial instruments and net gain or loss | The following table presents ASB’s derivative financial instruments and the amount and location of the net gains or losses recognized in ASB’s statements of income:
Derivative Financial Instruments Not Designated as Hedging Instruments |  | Location of net gains (losses) recognized in the Statement of Income |  | Three months ended June 30 |  | Six months ended June 30
(in thousands) |  |  | 2018 |  | 2017 |  | 2018 |  | 2017
Interest rate lock commitments |  | Mortgage banking income |  | $ | (7 | ) |  | $ | (191 | ) |  | $ | 117 |  |  | $ | (295 | )
Forward commitments |  | Mortgage banking income |  | (2 | ) |  | 192 |  |  | (38 | ) |  | 265 |
|  |  |  | $ | (9 | ) |  | $ | 1 |  |  | $ | 79 |  |  | $ | (30 | )

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