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Derivative Financial Instruments (Tables) | 6 Months Ended
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Jun. 30, 2019
Interest rate lock commitments and forward sales commitments |
Summary of fair values of derivative assets and liabilities recorded in consolidated balance sheet | The fair values of derivative assets and liabilities related to interest rate lock commitments and forward sales commitments recorded in the unaudited Consolidated Balance Sheets are summarized as follows (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2019 |  | December 31, 2018
Fair value recorded in other assets | ​ | $ | 1,135 | ​ | $ | 624
Fair value recorded in other liabilities | ​ |  | 1,949 | ​ | ​ | 1,205
Summary of gross gains and losses on derivative assets and liabilities recorded in non-interest income and expense in consolidated statements of income | The gross gains and losses on these derivative assets and liabilities related to interest rate lock commitments and forward sales commitments recorded in non-interest income and expense in the unaudited Consolidated Statements of Income are summarized as follows (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, |  | Six Months Ended June 30, | ​
​ |  | 2019 |  | 2018 |  | 2019 |  | 2018 | ​
Gross gains | ​ | $ | 1,929 | ​ | $ | 1,023 | ​ | $ | 3,007 | ​ | $ | 1,755 | ​
Gross (losses) | ​ |  | (1,949) | ​ | ​ | (1,054) | ​ |  | (3,067) | ​ | ​ | (2,108) | ​
Net gains (losses) | ​ | $ | (20) | ​ | $ | (31) | ​ | $ | (60) | ​ | $ | (353) | ​
Interest rate swap |
Summary of fair values of derivative assets and liabilities recorded in consolidated balance sheet | The fair values of derivative assets and liabilities related to derivatives for customers for interest rate swaps recorded in the unaudited Consolidated Balance Sheets are summarized as follows (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | June 30, 2019 |  | ​ | December 31, 2018
Fair value recorded in other assets | ​ | $ | 11,948 | ​ | $ | 1,438
Fair value recorded in other liabilities | ​ | ​ | 11,948 | ​ | ​ | 1,438
Summary of gross gains and losses on derivative assets and liabilities recorded in non-interest income and expense in consolidated statements of income | The gross gains and losses on these derivative assets and liabilities recorded in non-interest income and non-interest expense in the unaudited Consolidated Statements of Income are summarized as follows (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ | ​ | 2019 | ​ | 2018 | ​ | 2019 | ​ | 2018
Gross gains | ​ | $ | 73 | ​ | $ | 489 | ​ | $ | 164 | ​ | $ | 1443
Gross losses | ​ | ​ | (73) | ​ | ​ | (489) | ​ | ​ | (164) | ​ | ​ | (1,443)
Net gains (losses) | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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