Investment Securities - Schedule of Gross Unrealized Losses on Investment Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 41,201	$ 120,325
Less than 12 months, unrealized losses	507	513
More than 12 months, fair value	137,480	124,903
More than 12 months, unrealized losses	1,455	869
Total, fair value	178,681	245,228
Total, unrealized losses	1,962	1,382
U.S. Treasury and government sponsored entities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	5,030	116,331
Less than 12 months, unrealized losses	6	496
More than 12 months, fair value	135,807	122,605
More than 12 months, unrealized losses	1,433	840
Total, fair value	140,837	238,936
Total, unrealized losses	1,439	1,336
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	22,285
Less than 12 months, unrealized losses	397
More than 12 months, fair value	0
More than 12 months, unrealized losses	0
Total, fair value	22,285
Total, unrealized losses	397
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	13,886
Less than 12 months, unrealized losses	104
More than 12 months, fair value	0
More than 12 months, unrealized losses	0
Total, fair value	13,886
Total, unrealized losses	104
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	0	3,994
Less than 12 months, unrealized losses	0	17
More than 12 months, fair value	1,673	2,298
More than 12 months, unrealized losses	22	29
Total, fair value	1,673	6,292
Total, unrealized losses	$ 22	$ 46

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

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-Paragraph 6
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