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Leases (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Operating Leases by balance sheet location [Table Text Block] | The following table shows the details of the Company’s operating lease right-of-use asset and the associated lease liability for the period indicated:
Item |  | Balance Sheet Location |  | June 30, 2019
|  |  |  | (in thousands)
Operating lease asset |  | Other assets |  | $ | 47,875 |
Operating lease liability |  | Other liabilities |  | $ | 53,875 |
Lease, Cost [Table Text Block] | The following table shows the components of net lease costs:
|  |  |  | Three Months Ended June 30, |  | Six Months Ended June 30,
Item |  | Statement of Income Location |  | 2019 |  | 2019
|  |  |  | (in thousands)
Operating lease cost (1) |  | Occupancy |  | $ | 2,765 |  |  | $ | 5,585 |
Variable lease cost |  | Occupancy |  | 517 |  |  | 1,023 |
Sublease income |  | Occupancy |  | (306 | ) |  | (621 | )
Net lease cost |  |  |  | $ | 2,976 |  |  | $ | 5,987 |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] | The following table shows future minimum payments for operating leases for the remaining six months of 2019 and subsequent years:
|  | Year ending December 31,
|  | (in thousands)
2019 |  | $ | 5,494 |
2020 |  | 10,244 |
2021 |  | 9,223 |
2022 |  | 8,611 |
2023 |  | 7,332 |
Thereafter |  | 20,448 |
Total future minimum lease payments |  | 61,352 |
Amounts representing interest |  | (7,477 | )
Present value of minimum lease payments |  | $ | 53,875 |
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] | Future minimum lease payments for the Company’s operating leases as of December 31, 2018, prior to the adoption of the new lease guidance were as follows:
|  | Year Ending December 31,
|  | (in thousands)
2019 |  | $ | 10,947 |
2020 |  | 9,766 |
2021 |  | 8,729 |
2022 |  | 8,102 |
2023 |  | 6,796 |
Thereafter |  | 18,703 |
Total minimum payments |  | $ | 63,043 |

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- Definition [Table Text Block] for Operating Leases by balance sheet location [Table] + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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