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Deposits (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Demand non-interest bearing |  |  |
Domestic | $ 2,609,932 | $ 2,509,544 |
Foreign | 633,323 | 648,507 |
Total demand non-interest bearing | 3,243,255 | 3,158,051 |
Savings and interest bearing demand |  |  |
Domestic | 2,615,143 | 2,589,675 |
Foreign | 629,988 | 614,053 |
Total savings and interest bearing demand | 3,245,131 | 3,203,728 |
$100,000 or more |  |  |
Time, certificate of deposit | 1,445,887 |  |
Less than $100,000 |  |  |
Domestic | 354,998 | 389,682 |
Foreign | 255,621 | 272,363 |
Total time, certificates of deposit | 2,056,506 | 2,248,310 |
Total deposits | 8,544,892 | 8,610,089 |
Savings and interest bearing demand |  |  |
Domestic | 5,453 | 3,922 | $ 3,026
Foreign | 755 | 640 | 567
Total savings and interest bearing demand | 6,208 | 4,562 | 3,593
$100,000 or more |  |  |
Domestic | 3,644 | 3,881 | 4,693
Foreign | 4,105 | 3,929 | 4,116
Less than $100,000 |  |  |
Domestic | 1,312 | 1,447 | 1,680
Foreign | 675 | 706 | 744
Total time, certificates of deposit | 9,736 | 9,963 | 11,233
Total interest expense on deposits | 15,944 | 14,525 | $ 14,826
Domestic |  |  |
$100,000 or more |  |  |
Time, certificate of deposit | 637,006 | 748,104 |
Foreign |  |  |
$100,000 or more |  |  |
Time, certificate of deposit | $ 808,881 | $ 838,161 |

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- Definition The aggregate interest expense incurred on the following foreign deposits in domestic offices: (1) transaction accounts (NOW, and telephone and preauthorized transfer accounts), (2) money market deposits and (3) savings deposit. + References No definition available. + Details
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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The aggregate of all domestic and foreign interest-bearing deposit liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Total amount of interest-bearing domestic deposit liabilities, which may include brokered, retail, demand, checking, notice of withdrawal, money market and other interest-bearing deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Aggregate amount of interest expense on all deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.6) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The aggregate interest expense incurred on the following for deposits in domestic offices: (1) transaction accounts (NOW, and telephone and preauthorized transfer accounts), (2) money market deposits and (3) savings deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.6) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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