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Derivative Instruments and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Fair Values of Derivative Instruments on the Balance Sheet

										Asset derivatives										Liability derivatives
		Gross notional amount								Balance		Fair value								Balance		Fair value
		June 30, 2018				Dec. 31, 2017				sheet line item		June 30, 2018				Dec. 31, 2017				sheet line item		June 30, 2018				Dec. 31, 2017
Derivatives designated as hedging instruments
Cash flow hedges		$	100,000			$	—			Other assets		$	1,201			$	—			Other liabilities		$	—			$	—
Total derivatives		$	100,000			$	—					$	1,201			$	—					$	—			$	—
Derivatives not designated as hedging instruments
Interest rate swaps		$	6,440			$	—			Other assets		$	105			$	—			Other liabilities		$	139			$	—
Credit contracts			34,811				12,282			Other assets			—				—			Other liabilities			13				4
Total derivatives		$	41,251			$	12,282					$	105			$	—					$	152			$	4

Effect of Derivative Instruments on the Income Statement

				Gain (loss) recognized in income								Gain (loss) recognized in income
		Line item of gain (loss)		Three months ended June 30,								Six months ended June 30,
Undesignated derivatives		recognized in income		2018				2017				2018				2017
Interest rate swaps		Net gain on derivative instruments		$	70			$	—			$	70			$	—
Credit contracts		Net gain on derivative instruments			8				—				182				—
Total undesignated				$	78			$	—			$	252			$	—

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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

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-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

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-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

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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

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